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Astronomy Facts, Space And Astronomy, Hubble Space, Space Telescope, Space Shuttle, Space Solar System, Our Solar System, Alpha Centauri, Hubble Pictures
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Massive solar flare dooms any life on Earth-like planet Proxima b

The superflare made Proxima Centauri 68 times brighter than usual and may have exposed any life on its orbiting Proxima b planet to lethal levels of ultraviolet radiation, accor… 
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