In a groundbreaking development, astronomers have identified not just one but four small planets circling Barnard’s Star, the second-nearest stellar system to our planet. These newly discovered planets, ranging from 20 to 30 percent the mass of Earth, orbit extremely close to their host star, completing their revolutions in mere days. Consequently, they are likely too hot to support life, but their existence marks a significant milestone in the quest to identify smaller celestial bodies around stars within our cosmic neighborhood.
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