About: Intelligent aliens

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If real Intelligent aliens are watching us perhaps they are laughing at us (or doing whatever aliens do instead of laughing) because they are so different from the way we imagine them. In this article we risk giving amusement to the aliens and try and work out/imagine what they may be like.

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rdfs:label	Intelligent aliens
rdfs:comment	If real Intelligent aliens are watching us perhaps they are laughing at us (or doing whatever aliens do instead of laughing) because they are so different from the way we imagine them. In this article we risk giving amusement to the aliens and try and work out/imagine what they may be like. Nobody has yet proved that intelligent aliens exist. There are serious scientists at Edinburgh University who think there may be thousands of extraterrestrial civilizations in our Milky Way Galaxy alone. Most serious scientists would probably say we don’t know enough to start making an estimate yet. One may be able to judge that likelihood by considering the evolution of life on our planet. Some things have evolved many times, while others have evolved only once as far as we can tell. Astrobiology has more details.
dcterms:subject	Exobiology Exobiology Extraterrestrial life Extraterrestrial life Astronomy Astronomy Human extinction Topics Human extinction Topics Intelligence Intelligence Life away from Earth Life away from Earth
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abstract	If real Intelligent aliens are watching us perhaps they are laughing at us (or doing whatever aliens do instead of laughing) because they are so different from the way we imagine them. In this article we risk giving amusement to the aliens and try and work out/imagine what they may be like. Nobody has yet proved that intelligent aliens exist. There are serious scientists at Edinburgh University who think there may be thousands of extraterrestrial civilizations in our Milky Way Galaxy alone. Most serious scientists would probably say we don’t know enough to start making an estimate yet. One may be able to judge that likelihood by considering the evolution of life on our planet. Some things have evolved many times, while others have evolved only once as far as we can tell. Astrobiology has more details. The Drake equation gives an estimate of how many communicative alien civilizations there are by multiplying together several factors associated with their emergence: * R() - rate of star formation f(p) - fraction of stars with planets * n(e) - number of Earthlike planets or otherwise habitable planets in a planetary system * f(l) - fraction of planets where life emerges * f(i) - fraction of planets with life where intelligent life emerges * f(c) - fraction of planets where intelligent life becomes able to communicate over interstellar distances * L - effective lifetime of an interstellar-communicative civilization However, all but the first few factors are almost total unknowns. Only R(*) was known when astronomer Frank Drake first proposed it, and exoplanet discoveries are providing hints about f(p) and n(e).

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