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Discovery Alert: An Earth-sized World and Its Ultra-cool Star


Our galaxy is a jewel box of red stars. More than 70% of the stars in the Milky Way are M dwarfs, also known as red dwarfs. These stars are cool and dim compared with our Sun, but they often blast orbiting exoplanets with high-energy radiation, especially early in their lives. And those ‘‘lives’’ last […]

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Discovery Alert

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Earth

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ultra-cool star

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