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dark matter
One of the Sun’s closest neighbors, Barnard’s Star, appears to have at least one planet orbiting it, as well as three other possible planets that need further confirmation.
In 2018, researchers claimed to have found a planet that was at least three times larger than Earth, which they called Barnard’s b star, but follow-up analysis showed that signals from the apparent planet were actually caused by stellar activity. greater than expected. .
Now, Jonay González Hernández of the Institute of Astrophysics of the Canary Islands and his colleagues say they have found a new Barnard b star, which is about 40 percent the mass of Earth.
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