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  2. Extraterrestrial life - Wikipedia

    en.wikipedia.org/wiki/Extraterrestrial_life

    Such life might range from simple forms such as prokaryotes to intelligent beings, possibly bringing forth civilizations that might be far more, or far less, advanced than humans. [1] [2] [3] The Drake equation speculates about the existence of sapient life elsewhere in the universe. The science of extraterrestrial life is known as astrobiology.

  3. Planetary habitability in the Solar System - Wikipedia

    en.wikipedia.org/wiki/Planetary_habitability_in...

    Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial bodies. As exoplanets are too far away and can only be studied by indirect means, the celestial bodies in the Solar System allow for a much more detailed study: direct telescope observation, space probes, rovers and even human spaceflight.

  4. Ethics of terraforming - Wikipedia

    en.wikipedia.org/wiki/Ethics_of_terraforming

    The contrasts between these arguments are fully explored in the field of environmental ethics. Debates often focus on how much time and effort should be expended on investigating the possibility of any microscopic life on a planet before deciding whether to terraform, and what level of sophistication or chances for future development alien life would deserve varying levels of commitment to non ...

  5. Terraforming - Wikipedia

    en.wikipedia.org/wiki/Terraforming

    An artist's conception shows a terraformed Mars in four stages of development.. Terraforming or terraformation ("Earth-shaping") is the hypothetical process of deliberately modifying the atmosphere, temperature, surface topography or ecology of a planet, moon, or other body to be similar to the environment of Earth to make it habitable for humans to live on.

  6. Scientists say planet could have suitable conditions to ... - AOL

    www.aol.com/article/2016/05/30/scientists-say...

    A planet roughly 1,200 light-years away from Earth might be suited for habitability, according to researchers. Scientists say planet could have suitable conditions to sustain life Skip to main content

  7. List of potentially habitable exoplanets - Wikipedia

    en.wikipedia.org/wiki/List_of_potentially...

    Several other planets, such as Gliese 180 b, also appear to be examples of planets once considered potentially habitable but later found to be interior to the habitable zone. [ 1 ] Similarly, Tau Ceti e and f were initially both considered potentially habitable, [ 71 ] but with improved models of the circumstellar habitable zone, as of 2022 PHL ...

  8. Review: Should Humans Settle Mars? This Book Is Skeptical. - AOL

    www.aol.com/news/review-humans-settle-mars-book...

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  9. 50 Times Humans And Animals Refused To Bow To The Fury Of ...

    www.aol.com/100-examples-ultimate-human...

    Meanwhile, NASA's Gavin Schmidt warned that another 1.5°C of warming would take the planet back to a climate last seen 3 million years ago, in which case sea levels could rise dramatically.