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TagSuper-Earths as habitable

Amazing Exoplanets

News From the Search for Extraterrestrial Life 4

Just as much promising data about habitable planets is streaming in from the telescopes, pioneer ET astronomer Frank Drake has died

Lots of places to look: From Universe Today: To date, 5,084 extrasolar planets have been confirmed in 3,811 planetary systems, with another 8,912 candidates awaiting confirmation. (Matt Williams, September 9, 2022) Planets with water have been in the news: According to a new study, “… it turns out that water-rich worlds are far more common in the Milky Way Galaxy than we first thought… ” – Jerusalem Post (Aaron Reich, September 9, 2022) The paper requires a fee or subscription. “A new type of exoplanet — one made half of rock and half of water — has been discovered around the most common stars in the universe, which may have great consequences in the search for life in the cosmos, Read More ›

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News From the Search for Extraterrestrial Life I

Super-Earths that might have life, choosing life forms to take to Mars, and self-replicating robots…

A roundup from popular science news sources: ★ Are any super-Earths habitable? The largest single class of exoplanets discovered are super-Earths — bigger than Earth but smaller than Neptune, of which there are 1,577 confirmed discoveries. Some lie within the habitable zones — at least in principle — of their stars. Stony Brook astrophysicist Paul Sutter ponders the factors that go into determining how many of them are actually habitable, concluding, Perhaps the best candidate for a habitable super-Earth is LHS 1140b, which orbits a red dwarf star about 49 light-years from Earth. It’s about 60% wider than our planet but 6.48 times as massive. It orbits extremely close to its parent star — its orbital period is just 25 Read More ›