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Bookmark or Share- Extraterrestrial life | Definition, SETI, & Facts | Britannicaextraterrestrial life, life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions. What are the basic requirements for life? Could life have arisen elsewhere in the solar system? Are there other planets like Earth?
- What's the best evidence we've found for alien life?Scientists consider planets capable of hosting life if they sit in the so-called habitable zone, the distance from a star where it's possible for a rocky planet to have liquid water on the surface...
- The 4 biggest questions about alien life, answered by an astrobiologistRecent advances in three main areas have boosted astrobiologists’ optimism that we could be on the brink of discovering the first signs of extraterrestrial life: extremophiles, exoplanets and robotic exploration.
- 9 things we learned about aliens in 2021 - Live ScienceOn one hand, radio waves are a tempting way to communicate with extraterrestrials because these signals fit in a convenient gap in the electromagnetic spectrum called the "water hole" — a ...
- Extraterrestrial life - WikipediaExtraterrestrial life, or alien life (colloquially, alien), is life that originates from another world rather than on Earth. No extraterrestrial life has yet been scientifically conclusively detected.
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