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 . https://science.nasa.gov/u...
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