The search for life beyond Earth starts in habitable zones could potentially allow liquid water to pool on a planet’s surface. New NASA research suggests some of these zones might not actually be able to support life due to frequent stellar eruptions from young red dwarf stars...
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Nearly 4B years ago, life arose on Earth. Life appeared because our planet had a rocky surface, liquid water, and a blanketing atmosphere. But life thrived thanks to another necessary ingredient: the presence of a protective magnetic field...
Read MoreThe most Earth-like planet could have been made uninhabitable by vast quantities of radiation.The atmosphere of the planet, Kepler-438b, is thought to have been stripped away as a result of radiation emitted from a superflaring red dwarf star, Kepler-438. Regularly occurring every few hundred days, the superflares are approximately 10X more powerful than those ever recorded on the sun and equivalent to the same energy as 100 billion megatons of TNT.
While superflares themselves are unlikely to have a ...
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