Planets in the habitable zone of Trappist-1 may have water at the surface, Hubble study finds



Four planets orbiting the dwarf star at the heart of the Trappist-1 system, including three in the habitable zone, may still contain substantial amounts of water.
This is according to a new study based on observations by the Hubble Space Telescope, which has allowed researchers to assess the amount of ultraviolet radiation each planet in the nearby star system is subjected to.
While the inner planets likely lost massive quantities of water over billions of years, with the equivalent of over 20 Earth oceans thought to have escaped, those in the outer reaches may have avoided the worst of... read more

 
31 August 2017 in Science &Technology, Views: 43
Source: Daily Mail
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