Astronomers find four Barnard’s Star planets to be small, uninhabitable, with years lasting only days
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Astronomers have been looking for exolunes around exoplanets for some time, dreaming of discovering the equivalent of Avatar's Pandora. Some candidates for this position already exist, but some researchers are puzzled by a case recently discovered using ESO instruments, such as...
Astronomers find four Barnard’s Star planets to be small, uninhabitable, with years lasting only days
Barnard’s Star has four small rocky planets packed extremely close to the star. Their atmospheres probably disappeared billions of years ago, leaving worlds with permanent hot and dark sides. Their magnesium-rich interiors may store less water and produce less volcanic activity than Earth. Barnard’s Star sits less than six light-years away, yet its four known planets look nothing like familiar neighbors. Each is smaller than Earth, larger than M…
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