BrokenFiction
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https://www.theguardian.com/science...ority-in-hunt-for-alien-life?CMP=share_btn_tw
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An Earth-sized world that swings around a star in the constellation of Aquarius has become a priority in the search for extraterrestrial life after scientists found that an atmosphere could have enveloped the planet for billions of years.
The planet is one of seven circling a small and feeble star called Trappist-1 which astronomers reported in a wave of excitement in February this year. The rocky world lies in the habitable zone around its parent star, where temperatures should allow for free-running water, but that would count for little if the planet has no atmosphere.
Since the discovery of the seven planets there has been a great deal of interest in using telescopes such as the upcoming James Webb Space Telescope to determine whether these planets have atmospheres, and if so, what their composition is like, said Manasvi Lingam at Harvard University. It is fair to say that the presence of an atmosphere is perceived as one of the requirements for the habitability of a planet.
I for one, etc, etc.