Planet discovered next door to our solar system: Alpha Centauri Bb
Written by: William Atkins | Published in: Space
A planet has been discovered circling Alpha Centauri B, a star that is about 4.3 light-years away from Earth. Other than our Sun, Alpha Centauri B, along with two companions, is a member of the closest star system to us. This discovery is exciting to astronomers, and adds to the hundreds of planets already found orbiting stars.
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