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Astronomers find four hot, small planets orbiting Barnard's Star, our second-closest stellar neighbor.
Astronomers have discovered four tiny planets orbiting Barnard's Star, the second-closest star system to Earth.
Each planet is about 20 to 30% the mass of Earth and orbits the star in just a few days, making them too hot to support life.
The findings were confirmed using the MAROON-X instrument and are published in The Astrophysical Journal Letters.
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Los astrónomos encuentran cuatro planetas pequeños y calientes orbitando la estrella de Barnard, nuestro segundo vecino estelar más cercano.