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Best Posts in Forum: Discussion

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Thread: Children with fur and four legs

Muunkee Legendary art supply hoarder
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andrewrobins said: ↑

As soon as @Muunkee sees this thread she will never leave it...
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You were right :3

Muunkee, Feb 19, 2018

#10

Bob4444444, BlackJack, OKNEM and 7 others like this.

Thread: Apologizes and Goodbyes

Cooleysworld Celebrity Meeper Elder
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BaM_Nitro said: ↑

@Cooleysworld You are a great dude and have done so much for the server, I just wish your activity will be stable this time around and that you don't disappear for another year. I believe you can improve the server a lot if you were more active which I know you are trying.
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Thanks for the kind words Bam, enjoy life and every path you choose.

Cooleysworld, Aug 30, 2016

#10

MoonlitMadness, zsuzsu1, metr0n0me and 7 others like this.

Thread: what on earth is this new font

kyle_docherty7 Popular Meeper
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Just let us change forum font like on MS Word so I can read every post in Wingdings and Webdings

kyle_docherty7, Aug 29, 2016

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Draqq, cooey, fasehed and 7 others like this.

Thread: T'was a Good Run

SirCallow Legendary Meeper
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Deljikho said: ↑

But the illuminati would never confirm that the illuminati exist unless... there was something bigger going on. I'll get to the bottom of this or my name isn't "del-illuminati hunter-jikho"
Click to expand...

The Illuminati is in fact a branch of an even larger organization that spans the entire universe, not just earth. Unfortunately, I do not have a high enough clearance code to know much else about it.

SirCallow, Jan 5, 2016

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Supreme_Overlord, GroovyGrevous, Toostenheimer and 7 others like this.

Thread: Whose profile picture do you like most

Achmed Popular Meeper
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Nonsense children you all like Achmed's. It's so realistic that it managed to get him across the border from Mexico.

Achmed, Dec 24, 2015

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KyloMeep, sicklynerd, Zer0000000000 and 7 others like this.

Thread: The obligatory "difficult" vs "tedious" distinction

LargeUnit Celebrity Meeper
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You can go anywhere on the map in a couple mins by running through the nether while adding a risk factor for doing this. People are leaving safe zones that would never be left if teleportation commands exists. As for getting baltop, you town sat in mountain dungeon for hours on end practically afk because of a poorly designed dungeon which repeatedly spawned wolves and donkeys in the same block every 2 seconds (which has been changed so it cannot be afked anymore) and reached baltop 1 without much issue. There are many things that are being fixed and balanced right now so the process of earning skulls is more interactive and risky. The game is a work in progress but can be fun if you give it a chance.

LargeUnit, Apr 22, 2020

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Fangdragon1998, cooey, BooBear1227 and 7 others like this.

Thread: New Years 2019 Spoilers Just In

SpongeyStar Professor in Wumbology
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yeah here's the paperwork

SpongeyStar, Nov 9, 2018

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Thread: 100k Deep Question

Qaztar Celebrity Meeper
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jonathanb987 said: ↑

In order to fully understand my answer, I have evaluated what alien life is and what we know about them.

Show Spoiler Hide Spoiler

Background
Alien life, such as microorganisms, has been hypothesized to exist in the Solar System and throughout the universe. This hypothesis relies on the vast size and consistent physical laws of the observable universe. According to this argument, made by scientists such as Carl Sagan and Stephen Hawking,[8] it would be improbable for life not to exist somewhere other than Earth.[9][10] This argument is embodied in the Copernican principle, which states that Earth does not occupy a unique position in the Universe, and the mediocrity principle, which states that there is nothing special about life on Earth.[11] The chemistry of life may have begun shortly after the Big Bang, 13.8 billion years ago, during a habitable epoch when the universe was only 10–17 million years old.[12][13] Life may have emerged independently at many places throughout the universe. Alternatively, life may have formed less frequently, then spread—by meteoroids, for example—between habitable planets in a process called panspermia.[14][15] In any case, complex organic molecules may have formed in the protoplanetary disk of dust grains surrounding the Sun before the formation of Earth.[16] According to these studies, this process may occur outside Earth on several planets and moons of the Solar System and on planets of other stars.[16]

Since the 1950s, scientists have argued the idea that "habitable zones" around stars are the most likely places to find life. Numerous discoveries in these zones since 2007 have generated estimations of frequencies of Earth-like planets —in terms of composition— numbering in the many billions[17] though as of 2013, only a small number of planets have been discovered in these zones.[18] Nonetheless, on November 4, 2013, astronomers reported, based on Kepler space mission data, that there could be as many as 40 billion Earth-sized planets orbiting in the habitable zones of Sun-like stars and red dwarfs in the Milky Way,[19][20] 11 billion of which may be orbiting Sun-like stars.[21] The nearest such planet may be 12 light-years away, according to the scientists.[19][20] Astrobiologists have also considered a "follow the energy" view of potential habitats.[22][23]

Possible basis
Biochemistry
Main articles: Biochemistry, Hypothetical types of biochemistry, and Water and life
It is often hypothesized that life forms elsewhere in the universe would, like life on Earth, be based on carbon chemistry and rely on liquid water. Life forms based on ammonia (rather than water) have been suggested, though this solvent appears less suitable than water. It is also conceivable that there are forms of life whose solvent is a liquid hydrocarbon, such as methane, ethane or propane.[24]

About 29 chemical elements are thought to play an active positive role in living organisms on Earth.[25] About 95% of this living matter is built upon only six elements: carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur. These six elements form the basic building blocks of virtually all life on Earth, whereas most of the remaining elements are found only in trace amounts.[26] The unique characteristics of carbon made it unlikely that any other element could replace carbon, even on another planet, to generate the biochemistry necessary for life. The carbon atom has the unique ability to make four strong chemical bonds with other atoms, including other carbon atoms. These covalent bonds have a direction in space, so that carbon atoms can form the skeletons of complex 3-dimensional structures with definite architectures such as nucleic acids and proteins. Carbon forms more compounds than all other elements combined. The great versatility of the carbon atom makes it the element most likely to provide the bases—even exotic ones—to the chemical composition of life on other planets.[27]

Life on Earth requires water as its solvent in which biochemical reactions take place. Sufficient quantities of carbon and the other elements along with water, may enable the formation of living organisms on other planets with a chemical make-up and temperature range similar to that of Earth.[28] Terrestrial planets such as Earth are formed in a process that allows for the possibility of having compositions similar to Earth's.[29] The combination of carbon, hydrogen and oxygen in the chemical form of carbohydrates (e.g. sugar) can be a source of chemical energy on which life depends, and can provide structural elements for life. Plants derive energy through the conversion of light energy into chemical energy via photosynthesis. Life, as currently recognized, requires carbon in both reduced (methane derivatives) and partially oxidized (carbon oxides) states. Nitrogen is needed as a reduced ammonia derivative in all proteins, sulfur as a derivative of hydrogen sulfide in some necessary proteins, and phosphorus oxidized to phosphates in genetic material and in energy transfer.

Planetary habitability in the Solar System
See also: Planetary habitability and Habitability of natural satellites
Some bodies in the Solar System have the potential for an environment in which extraterrestrial life can live, particularly those with possible subsurface oceans.[30] Should life be discovered elsewhere in the Solar System, astrobiologists suggest that it will more likely be in the form of extremophile microorganisms.

Mars may have niche subsurface environments where microbial life might exist.[31][32][33] A subsurface marine environment on Jupiter's moon Europa might be the most likely habitat in the Solar System, outside Earth, for extremophile microorganisms.[34][35][36]

The panspermia hypothesis proposes that life elsewhere in the Solar System may have a common origin. If extraterrestrial life was found on another body in the Solar System, it could have originated from Earth just as life on Earth could have been seeded from elsewhere (exogenesis). The first known mention of the term 'panspermia' was in the writings of the 5th century BC Greek philosopher Anaxagoras.[37] In the nineteenth century it was again revived in modern form by several scientists, including Jöns Jacob Berzelius (1834),[38] Kelvin (1871),[39] Hermann von Helmholtz (1879)[40] and, somewhat later, by Svante Arrhenius (1903).[41] Sir Fred Hoyle (1915–2001) and Chandra Wickramasinghe (born 1939) are important proponents of the hypothesis who further contended that lifeforms continue to enter Earth's atmosphere, and may be responsible for epidemic outbreaks, new diseases, and the genetic novelty necessary for macroevolution.[42]

Directed panspermia concerns the deliberate transport of microorganisms in space, sent to Earth to start life here, or sent from Earth to seed new stellar systems with life. The Nobel prize winner Francis Crick, along with Leslie Orgel proposed that seeds of life may have been purposely spread by an advanced extraterrestrial civilization,[43] but considering an early "RNA world" Crick noted later that life may have originated on Earth.[44]

Venus
Main article: Life on Venus
In the early twentieth century, Venus was often thought to be similar to Earth in terms of habitability, but observations since the beginning of the Space Age have revealed that Venus's surface is inhospitable to Earth-like life. However, between an altitude of 50 and 65 kilometers, the pressure and temperature are Earth-like, and it has been hypothesised that aerial microbial life could exist.[45] Furthermore, Venus likely had liquid water on its surface for at least a few million years after its formation.[46][47][48]

Mars
Main article: Life on Mars
Life on Mars has been long speculated. Liquid water is widely thought to have existed on Mars in the past, and now can occasionally be found as low-volume liquid brines in shallow Martian soil.[49] The origin of the potential biosignature of methane observed in Mars atmosphere is unexplained, although abiotic hypotheses have also been proposed.[50] By July 2008, laboratory tests aboard NASA's Phoenix Mars lander identified water in a surface soil sample. Photographs from the Mars Global Surveyor from 2006 showed evidence of recent (i.e. within 10 years) flows of a liquid on Mars's frigid surface.[51] There is evidence that Mars had a warmer and wetter past: dried-up river beds, polar ice caps, volcanos, and minerals that form in the presence of water have all been found. Nevertheless, present conditions on Mars subsurface may support life.[52][53] Evidence obtained by the Curiosity rover studying Aeolis Palus, Gale Crater in 2013, strongly suggest an ancient freshwater lake that could have been a hospitable environment for microbial life.[54][55]

Current studies on Mars by the Curiosity and Opportunity rovers are now searching for evidence of ancient life, including a biosphere based on autotrophic, chemotrophic and/or chemolithoautotrophic microorganisms, as well as ancient water, including fluvio-lacustrine environments (plains related to ancient rivers or lakes) that may have been habitable.[56][57][58][59] The search for evidence of habitability, taphonomy (related to fossils), and organic carbon on Mars is now a primary NASA objective.[56]

Ceres
Ceres, the only dwarf planet in the asteroid belt, was confirmed by the Herschel Space Observatory to have a thin water-vapor atmosphere.[60][61] Frost on the surface may also have been detected in the form of bright spots.[62][63][64] The presence of water on Ceres has led to speculation that life may be possible there.[65][66][67]

Jupiter system
Jupiter
Carl Sagan and others in the 1960s and 1970s computed conditions for hypothetical microorganisms living in the atmosphere of Jupiter,[68] however, the intense radiation and other conditions do not appear to permit encapsulation and molecular biochemistry, so life there is thought unlikely.[69] In contrast, some of Jupiter's moons may have habitats capable of sustaining life. Scientists have indications that heated subsurface oceans of liquid water may exist deep under the crusts of the three outer Galilean moons—Europa,[34][70][71] Ganymede,[72][73][74][75][76] and Callisto.[77][78][79] The EJSM/Laplace mission is planned to determine the habitability of these environments.

Europa

Internal structure of Europa. The blue is a subsurface ocean. Such subsurface oceans could possibly harbor life.[80]
Main article: Life on Europa
Jupiter's moon Europa has been subject to speculation about the existence of life due to the strong possibility of a liquid water ocean beneath its ice surface.[34][36] Hydrothermal vents on the bottom of the ocean, if they exist, may warm the ice and could be capable of supporting multicellular microorganisms.[81] It is also possible that Europa could support aerobic macrofauna using oxygen created by cosmic rays impacting its surface ice.[82]

The case for life on Europa was greatly enhanced in 2011 when it was discovered that vast lakes exist within Europa's thick, icy shell. Scientists found that ice shelves surrounding the lakes appear to be collapsing into them, thereby providing a mechanism through which life-forming chemicals created in sunlit areas on Europa's surface could be transferred to its interior.[83][84]

On December 11, 2013, NASA reported the detection of "clay-like minerals" (specifically, phyllosilicates), often associated with organic materials, on the icy crust of Europa.[85] The presence of the minerals may have been the result of a collision with an asteroid or comet according to the scientists.[85] The Europa Multiple-Flyby Mission, which would assess the habitability of Europa, is planned for launch in 2025.[86][87] Europa's subsurface ocean is considered the best target for the discovery of life.[34][36]

Saturn system
Titan and Enceladus have been speculated to have possible habitats supportive of life.

Enceladus
Enceladus, a moon of Saturn, has some of the conditions for life, including geothermal activity and water vapor, as well as possible under-ice oceans heated by tidal effects.[88][89] The Cassini–Huygens probe detected carbon, hydrogen, nitrogen and oxygen—all key elements for supporting life—during its 2005 flyby through one of Enceladus's geysers spewing ice and gas. The temperature and density of the plumes indicate a warmer, watery source beneath the surface.[50]

Titan
Main article: Life on Titan
Titan, the largest moon of Saturn, is the only known moon in the Solar System with a significant atmosphere. Data from the Cassini–Huygens mission refuted the hypothesis of a global hydrocarbon ocean, but later demonstrated the existence of liquid hydrocarbon lakes in the polar regions—the first stable bodies of surface liquid discovered outside Earth.[90][91][92] Analysis of data from the mission has uncovered aspects of atmospheric chemistry near the surface that are consistent with—but do not prove—the hypothesis that organisms there if present, could be consuming hydrogen, acetylene and ethane, and producing methane.[93][94][95]

Small Solar System bodies
Small Solar System bodies have also been speculated to host habitats for extremophiles. Fred Hoyle and Chandra Wickramasinghe have proposed that microbial life might exist on comets and asteroids.[96][97][98][99]

Scientific search
The scientific search for extraterrestrial life is being carried out both directly and indirectly.

Direct search
Scientists search for biosignatures within the Solar System by studying planetary surfaces and examining meteorites.[12][13] Some claim to have identified evidence that microbial life has existed on Mars.[100][101][102][103][104][105] An experiment on the two Viking Mars landers reported gas emissions from heated Martian soil samples that some scientists argue are consistent with the presence of living microorganisms.[106] Lack of corroborating evidence from other experiments on the same samples, indicates that a non-biological reaction is a more likely hypothesis.[106][107][108][109] In 1996, a controversial report stated that structures resembling nanobacteria were discovered in a meteorite, ALH84001, formed of rock ejected from Mars.[100][101]

Electron micrograph of martian meteorite ALH84001 showing structures that some scientists think could be fossilized bacteria-like life forms.
In February 2005, NASA scientists reported that they may have found some evidence of present life on Mars.[110] The two scientists, Carol Stoker and Larry Lemke of NASA's Ames Research Center, based their claim on methane signatures found in Mars's atmosphere resembling the methane production of some forms of primitive life on Earth, as well as on their own study of primitive life near the Rio Tinto river in Spain. NASA officials soon distanced NASA from the scientists' claims, and Stoker herself backed off from her initial assertions.[111] Though such methane findings are still debated, support among some scientists for the existence of life on Mars seems to be growing.[112]

In November 2011, NASA launched the Mars Science Laboratory that landed the Curiosity rover on Mars. It is designed to assess the past and present habitability on Mars using a variety of scientific instruments. The rover landed on Mars at Gale Crater in August 2012.[113][114]

The Gaia hypothesis stipulates that any planet with a robust population of life will have an atmosphere in chemical disequilibrium, which is relatively easy to determine from a distance by spectroscopy. However, significant advances in the ability to find and resolve light from smaller rocky worlds near their star are necessary before such spectroscopic methods can be used to analyze extrasolar planets. To that effect, the Carl Sagan Institute was founded in 2014 dedicated to the atmospheric characterization of exoplanets in circumstellar habitable zones.[115][116] Planetary spectroscopic data will be obtained from telescopes like WFIRST and E-ELT.[117]

In August 2011, findings by NASA, based on studies of meteorites found on Earth, suggests DNA and RNA components (adenine, guanine and related organic molecules), building blocks for life as we know it, may be formed extraterrestrially in outer space.[118][119][120] In October 2011, scientists reported that cosmic dust contains complex organic matter ("amorphous organic solids with a mixed aromatic-aliphatic structure") that could be created naturally, and rapidly, by stars.[121][122][123] One of the scientists suggested that these compounds may have been related to the development of life on Earth and said that, "If this is the case, life on Earth may have had an easier time getting started as these organics can serve as basic ingredients for life."[121]

In August 2012, and in a world first, astronomers at Copenhagen University reported the detection of a specific sugar molecule, glycolaldehyde, in a distant star system. The molecule was found around the protostellar binary IRAS 16293-2422, which is located 400 light years from Earth.[124][125] Glycolaldehyde is needed to form ribonucleic acid, or RNA, which is similar in function to DNA. This finding suggests that complex organic molecules may form in stellar systems prior to the formation of planets, eventually arriving on young planets early in their formation.[126]

Indirect search
Projects such as SETI are monitoring the galaxy for electromagnetic interstellar communications from civilizations on other worlds.[127][128] If there is an advanced extraterrestrial civilization, there is no guarantee that it is transmitting radio communications in the direction of Earth or that this information could be interpreted as such by humans. The length of time required for a signal to travel across the vastness of space means that any signal detected, would come from the distant past.[129]

The presence of heavy elements in a star's light-spectrum is another potential biosignature; such elements would (in theory) be found if the star was being used as an incinerator/repository for nuclear waste products.[130]

Extrasolar planets
Main article: Extrasolar planets
See also: List of planetary systems

Artist's Impression of Gliese 581 c, the first terrestrial extrasolar planet discovered within its star's habitable zone.

Artist's impression of the Kepler telescope in space.
Some astronomers search for extrasolar planets that may be conducive to life, narrowing the search to terrestrial planets within the habitable zone of their star.[131][132] Since 1992 over two thousand exoplanets have been discovered (3,443 planets in 2,571 planetary systems including 586 multiple planetary systems as of 2 July 2016).[133] The extrasolar planets so far discovered range in size from that of terrestrial planets similar to Earth's size to that of gas giants larger than Jupiter.[133] The number of observed exoplanets is expected to increase greatly in the coming years.[134]

The Kepler space telescope has also detected a few thousand[135][136] candidate planets,[137][138] of which about 11% may be false positives.[139] There is at least one planet on average per star.[140]

About 1 in 5 Sun-like stars[a] have an "Earth-sized" planet in the habitable zone,[c] with the nearest expected to be within 12 light-years distance from Earth.[141][142] Assuming 200 billion stars in the Milky Way,[d] that would be 11 billion potentially habitable Earth-sized planets in the Milky Way, rising to 40 billion if red dwarfs are included.[21] The rogue planets in the Milky Way possibly number in the trillions.[143]

The nearest known exoplanet, if confirmed, would be Alpha Centauri Bb, located 4.37 light-years from Earth in the southern constellation of Centaurus.[144] As of March 2014, the least massive planet known is PSR B1257+12 A, which is about twice the mass of the Moon. The most massive planet listed on the NASA Exoplanet Archive is DENIS-P J082303.1-491201 b,[145][146] about 29 times the mass of Jupiter, although according to most definitions of a planet, it is too massive to be a planet and may be a brown dwarf instead. Almost all of the planets detected so far are within the Milky Way, but there have also been a few possible detections of extragalactic planets. The study of planetary habitability also considers a wide range of other factors in determining the suitability of a planet for hosting life.[5]

The Drake equation
Main article: Drake equation
In 1961, University of California, Santa Cruz, astronomer and astrophysicist Frank Drake devised the Drake equation as a way to stimulate scientific dialogue at a meeting on the search for extraterrestrial intelligence (SETI).[147] The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. The equation is best understood not as an equation in the strictly mathematical sense, but to summarize all the various concepts which scientists must contemplate when considering the question of life elsewhere.[148] The Drake equation is:

N = R ∗ ⋅ f p ⋅ n e ⋅ f ℓ ⋅ f i ⋅ f c ⋅ L {\displaystyle N=R_{\ast }\cdot f_{p}\cdot n_{e}\cdot f_{\ell }\cdot f_{i}\cdot f_{c}\cdot L} $[IMG]$
where:

N = the number of Milky Way galaxy civilizations already capable of communicating across interplanetary space
and

R* = the average rate of star formation in our galaxy
fp = the fraction of those stars that have planets
ne = the average number of planets that can potentially support life
fl = the fraction of planets that actually support life
fi = the fraction of planets with life that evolves to become intelligent life (civilizations)
fc = the fraction of civilizations that develop a technology to broadcast detectable signs of their existence into space
L = the length of time over which such civilizations broadcast detectable signals into space
Drake's proposed estimates are as follows, but numbers on the right side of the equation are agreed as speculative and open to substitution:

10 , 000 = 5 ⋅ 0.5 ⋅ 2 ⋅ 1 ⋅ 0.2 ⋅ 1 ⋅ 10 , 000 {\displaystyle 10,000=5\cdot 0.5\cdot 2\cdot 1\cdot 0.2\cdot 1\cdot 10,000} $[IMG]$ [149]

The Drake equation has proved controversial since several of its factors are uncertain and based on conjecture, not allowing conclusions to be made.[150] This has led critics to label the equation a guesstimate, or even meaningless.

Based on observations from the Hubble Space Telescope, there are between 125 and 250 billion galaxies in the observable universe.[151] It is estimated that at least ten percent of all Sun-like stars have a system of planets,[152] i.e. there are 6.25×1018 stars with planets orbiting them in the observable universe. Even if it is assumed that only one out of a billion of these stars has planets supporting life, there would be some 6.25 billion life-supporting planetary systems in the observable universe.

A 2013 study based on results from the Kepler spacecraft estimated that the Milky Way contains at least as many planets as it does stars, resulting in 100–400 billion exoplanets.[153][154] Also based on Kepler data, scientists estimate that at least one in six stars has an Earth-sized planet.[155]

The apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilizations and the lack of evidence for such civilizations is known as the Fermi paradox.[156]

Cultural impact
Cosmic pluralism
Main article: Cosmic pluralism
Cosmic pluralism, the plurality of worlds, or simply pluralism, describes the philosophical belief in numerous "worlds" in addition to Earth, which might harbor extraterrestrial life. Before the development of the heliocentric theory and a recognition that our Sun is just one of many stars,[157] the notion of pluralism was largely mythological and philosophical.[158][159][160] With the scientific and Copernican revolutions, and later, during the Enlightenment, cosmic pluralism became a mainstream notion, supported by the likes of Bernard le Bovier de Fontenelle in his 1686 work Entretiens sur la pluralité des mondes.[161] Pluralism was also championed by philosophers such as John Locke, Giordano Bruno and astronomers such as William Herschel. The astronomer Camille Flammarion promoted the notion of cosmic pluralism in his 1862 book La pluralité des mondes habités.[162] None of these notions of pluralism were based on any specific observation or scientific information.

Early modern period
There was a dramatic shift in thinking initiated by the invention of the telescope and the Copernican assault on geocentric cosmology. Once it became clear that Earth was merely one planet amongst countless bodies in the universe, the theory of extraterrestrial life started to become a topic in the scientific community. The best known early-modern proponent of such ideas was the Italian philosopher Giordano Bruno, who argued in the 16th century for an infinite universe in which every star is surrounded by its own planetary system. Bruno wrote that other worlds "have no less virtue nor a nature different to that of our earth" and, like Earth, "contain animals and inhabitants".[163]

In the early 17th century, the Czech astronomer Anton Maria Schyrleus of Rheita mused that "if Jupiter has (...) inhabitants (...) they must be larger and more beautiful than the inhabitants of Earth, in proportion to the [characteristics] of the two spheres".[164]

In Baroque literature such as The Other World: The Societies and Governments of the Moon by Cyrano de Bergerac, extraterrestrial societies are presented as humoristic or ironic parodies of earthly society. The didactic poet Henry More took up the classical theme of the Greek Democritus in "Democritus Platonissans, or an Essay Upon the Infinity of Worlds" (1647). In "The Creation: a Philosophical Poem in Seven Books" (1712), Sir Richard Blackmore observed: "We may pronounce each orb sustains a race / Of living things adapted to the place". With the new relative viewpoint that the Copernican revolution had wrought, he suggested "our world's sunne / Becomes a starre elsewhere". Fontanelle's "Conversations on the Plurality of Worlds" (translated into English in 1686) offered similar excursions on the possibility of extraterrestrial life, expanding, rather than denying, the creative sphere of a Maker.

The possibility of extraterrestrials remained a widespread speculation as scientific discovery accelerated. William Herschel, the discoverer of Uranus, was one of many 18th–19th-century astronomers who believed that the Solar System is populated by alien life. Other luminaries of the period who championed "cosmic pluralism" included Immanuel Kant and Benjamin Franklin. At the height of the Enlightenment, even the Sun and Moon were considered candidates for extraterrestrial inhabitants.

19th century

Artificial Martian channels, depicted by Percival Lowell
Speculation about life on Mars increased in the late 19th century, following telescopic observation of apparent Martian canal—which soon, however, turned out to be optical illusions.[165] Despite this, in 1895, American astronomer Percival Lowell published his book Mars, followed by Mars and its Canals in 1906, proposing that the canals were the work of a long-gone civilization.[166] This idea led British writer H. G. Wells to write the novel The War of the Worlds in 1897, telling of an invasion by aliens from Mars who were fleeing the planet's desiccation.

Spectroscopic analysis of Mars's atmosphere began in earnest in 1894, when U.S. astronomer William Wallace Campbell showed that neither water nor oxygen was present in the Martian atmosphere.[167] By 1909 better telescopes and the best perihelic opposition of Mars since 1877 conclusively put an end to the canal hypothesis.

The science fiction genre, although not so named during the time, developed during the late 19th century. Jules Verne's Around the Moon (1870) features a discussion of the possibility of life on the Moon, but with the conclusion that it is barren. Stories involving extraterrestrials are found in e.g. Garrett P. Serviss's Edison's Conquest of Mars (1898), an unauthorized sequel to The War of the Worlds by H. G. Wells was published in 1897 which stands at the beginning of the popular idea of the "Martian invasion" of Earth prominent in 20th-century pop culture.

20th century
The Arecibo message is a digital message sent to globular star cluster M13, and is a well-known symbol of human attempts to contact extraterrestrials.
Most unidentified flying objects or UFO sightings[168] can be readily explained as sightings of Earth-based aircraft, known astronomical objects, or as hoaxes.[169] Nonetheless, a certain fraction of the public believe that UFOs might actually be of extraterrestrial origin, and, indeed, the notion has had influence on popular culture.

The possibility of extraterrestrial life on the Moon was ruled out in the 1960s, and during the 1970s it became clear that most of the other bodies of the Solar System do not harbor highly developed life, although the question of primitive life on bodies in the Solar System remains an open question.

Recent history
The failure so far of the SETI program to detect an intelligent radio signal after decades of effort has at least partially dimmed the prevailing optimism of the beginning of the space age. Notwithstanding, belief in extraterrestrial beings continues to be voiced in pseudoscience, conspiracy theories, and in popular folklore, notably "Area 51" and legends. It has become a pop culture trope given less-than-serious treatment in popular entertainment.

In the words of SETI's Frank Drake, "All we know for sure is that the sky is not littered with powerful microwave transmitters".[170] Drake noted that it is entirely possible that advanced technology results in communication being carried out in some way other than conventional radio transmission. At the same time, the data returned by space probes, and giant strides in detection methods, have allowed science to begin delineating habitability criteria on other worlds, and to confirm that at least other planets are plentiful, though aliens remain a question mark. The Wow! signal, detected in 1977 by a SETI project, remains a subject of speculative debate.

In 2000, geologist and paleontologist Peter Ward and astrobiologist Donald Brownlee published a book entitled Rare Earth: Why Complex Life is Uncommon in the Universe.[171] In it, they discussed the Rare Earth hypothesis, in which they claim that Earth-like life is rare in the universe, whereas microbial life is common. Ward and Brownlee are open to the idea of evolution on other planets that is not based on essential Earth-like characteristics (such as DNA and carbon).

Theoretical physicist Stephen Hawking in 2010 warned that humans should not try to contact alien life forms. He warned that aliens might pillage Earth for resources. "If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans", he said.[172] Jared Diamond has expressed similar concerns.[173]

In November 2011, the White House released an official response to two petitions asking the U.S. government to acknowledge formally that aliens have visited Earth and to disclose any intentional withholding of government interactions with extraterrestrial beings. According to the response, "The U.S. government has no evidence that any life exists outside our planet, or that an extraterrestrial presence has contacted or engaged any member of the human race."[174][175] Also, according to the response, there is "no credible information to suggest that any evidence is being hidden from the public's eye."[174][175] The response noted "odds are pretty high" that there may be life on other planets but "the odds of us making contact with any of them—especially any intelligent ones—are extremely small, given the distances involved."[174][175]

In 2013, the exoplanet Kepler-62f was discovered, along with Kepler-62e and Kepler-62c. A related special issue of the journal Science, published earlier, described the discovery of the exoplanets.[176]

On 17 April 2014, the discovery of the Earth-size exoplanet Kepler-186f, 500 light-years from Earth, was publicly announced;[177] it is the first Earth-size planet to be discovered in the habitable zone and it has been hypothesized that there may be liquid water on its surface.

On 13 February 2015, scientists (including Geoffrey Marcy, Seth Shostak, Frank Drake and David Brin) at a convention of the American Association for the Advancement of Science, discussed Active SETI and whether transmitting a message to possible intelligent extraterrestrials in the Cosmos was a good idea;[178][179] one result was a statement, signed by many, that a "worldwide scientific, political and humanitarian discussion must occur before any message is sent".[180]

On 20 July 2015, Stephen Hawking, British physicist, and Yuri Milner, Russian billionaire, along with the SETI Institute, announced a well-funded effort, called the Breakthrough Initiatives, to expand efforts to search for extraterrestrial life. The group contracted the services of the 100-meter Robert C. Byrd Green Bank Telescope in West Virginia in the United States and the 64-meter Parkes Telescope in New South Wales, Australia.[181]

So upon all this information, my answer is no.

.
Click to expand...

I think I know who isn't getting the 100k...

Qaztar, Jul 7, 2016

#9

Cherrykit, Khafra, metr0n0me and 7 others like this.

Thread: Really, is it necessary?

Qaws Popular Meeper
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Epicdude141 said: ↑

Gee I've never seen that meme before. How original and new, 10/10.
Click to expand...

I'd like to call attention to your sig picture and end it at that. Ty for your time

Qaws, Apr 8, 2016

#9

metr0n0me, Splendy, Pmx728 and 7 others like this.

Thread: Best applications

metr0n0me Legendary Meeper
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http://meepcraft.com/threads/helper-application-from-deljikho.47927/

I really liked this one

metr0n0me, Mar 23, 2016

#9

Cherrykit, CrazyYoungBro, GroovyGrevous and 7 others like this.

Thread: Resignation

Pmx728 Legendary Meeper
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I constantly see this happening. I bet it's frustrating when you spend so much time doing a modreq and not even get a "thank you". I've seen you work Extreamly hard and try your best and people still don't appreciate it and with comment about how your the worst staff and crap like that. I wish you the best of luck. Thanks again

Pmx728, Feb 24, 2016

#9

SpongeyStar, fasehed, metr0n0me and 7 others like this.

Thread: Am Back

Khafra Celebrity Meeper
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u really dont wanna come back lol

its much better quitting

Khafra, Jan 1, 2016

#9

iKitten, Toostenheimer, Supreme_Overlord and 7 others like this.

Thread: There's nothing wrong with rankism

BooBear1227 Sunflower | Always
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Are you sure you are mentally sound?

There isn't nothing wrong with rankism. There are several issues with it, and there are also some cases where it might turn out to be okay. Non-ranked members make or break the fate of MeepCraft. There are more of them than there are of us. I actually tend to treat them better than I do to those who do have ranks.

Krazycat600 said: ↑

Fuzzlr should endorse folks like me who are openly rankist towards these non-donors.
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I think you need to take a nap now.

BooBear1227, Dec 31, 2015

#9

metr0n0me, Deljikho, cooey and 7 others like this.

Thread: So new spawn.

Dockson Celebrity Meeper
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Not even sure why a new Spawn was a priority among all the things.

Last edited: Dec 29, 2015

Dockson, Dec 21, 2015

#9

XxNine_TailsxX, _Smarties910_, RaidByNightOnly and 7 others like this.

Thread: Xray or no Xray?

IFartOnChilren Celebrity Meeper Elder
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whoisnate said: ↑

doesn’t seem like xray to me at least not something so blatant it cant be explained by just lucky tunneling. could they be xraying? maybe but nothing in either of those videos seems like anything more than just luck
Click to expand...

Lucky tunneling is highly unlikely. I want to believe it isn’t x-ray, but after going through the video I’ll put in some context.

When using x-ray, it is likely that the user will be looking around for ores through surfaces. Although yes, he did mine a lot of exposed ore, he happened to mine a handful of unexposed ore. And every time he did that “lucky tunneling” it led to ore. Here are some times that made me believe it was x-ray.

At 1:54 he was looking down through the ground for a longer than normal period of time for ores.

The giveaway was between 4:23-4:33 where you can see that he has stopped for a longer than normal period of time to look at a vein of ore. He then shuts his client off to see where he is going and goes immediately to it and mines it. It was unexposed and this part of the clip looks especially fishy

4:42. He stops again and shifts, most likely mis-clicking and turns a client on/off. Turns around and mines unexposed ore.

5:06: mines more unexposed ore

At this point in time, the two rarest ores in the game were diamond, which he had an abundance of, and coal. In this video he mined 3 veins of unexposed coal in 40 seconds. This is either a case of an unlikely string of lucky mining, or Izzst wasn’t being careful enough hiding his client. I think the timeframe from 4:20-5:15 is alarming.

Last edited: Apr 28, 2020

IFartOnChilren, Apr 28, 2020

#8

smk, joshofosho, SurvivingSword11 and 7 others like this.

Thread: PUBLIC BANS

Deinen S'all Good Man
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Ban messages should remain between the customer and the server. As you can see from a majority of these posts public ban message only serve to provide entertainment to the current playerbase. Additionally you run into instances where players weaponize this information to use against the person banned down the road.

Additionally you open up the avenue for players to criticize a staff's choice on ban amount / message for something that gains the server nothing.

Deinen, Jul 12, 2017

#8

Courtneyyy, chaos546, MasterofBoom and 7 others like this.

Thread: I hope staff can recover towns because no one wants to rebuild whole town...

Kling Break blocks not hearts
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epick8 said: ↑

maybe this was all a plot to reset towny without the blame. gotta think big
Click to expand...

Epick it's suppose to remain a secret.

Kling, Jan 3, 2017

#8

GroovyGrevous, Adrian, BooBear1227 and 7 others like this.

Thread: Catch me up?

Kling Break blocks not hearts
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I had chinese the other day, thats about the only update I have.

Update: Also went fishing yesterday and I think Matt and I heard someone get murked.

New catch up: I just watched Newcastle come back from 2-0 against the West Sydney to make ot 2-2 it was a half decent game. Newcastle really need to touch up on their passing because they made too many mistakes casusing WSW to nearly score a few times. As well as Kanta needing to be removed from the senior squad, all year he has made mistakes and practically gave Sydney their goal.

Last edited: Oct 23, 2016

Kling, Oct 23, 2016

#8

KyloMeep, Splendy, MoonlitMadness and 7 others like this.

Thread: Klutch is illuminati.

andrewrobins My views are my own.
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I dont mean to give you beef but this thread is udderly ridiculous.I know you started this thread to milk the attention but I think you should moove on before klutch gives you the horn.
On the other hand if this is true it could help klutch steak a claim at being the big guy,but personally I think this is bull.

andrewrobins, May 24, 2016

#8

kyle_docherty7, 2leah2, Draqq and 7 others like this.

Thread: Can we redo the whole application process @staff @applicants

Muunkee Legendary art supply hoarder
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I demand we deny all applications that have less than 32 references and don't mention ice cream

Muunkee, May 23, 2016

#8

metr0n0me, Toostenheimer, cooey and 7 others like this.

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