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First Planet Found Around Solar Twin in Star Cluster

15 Jan 2014, 11:00 UTC
First Planet Found Around Solar Twin in Star Cluster Credit: ESO

Astronomers have used ESO's HARPS planet hunter in Chile, along with other telescopes around the world, to discover three planets orbiting stars in the cluster Messier 67. Although more than one thousand planets outside the Solar System are now confirmed, only a handful have been found in star clusters. Remarkably one of these new exoplanets is orbiting a star that is a rare solar twin — a star that is almost identical to the Sun in all respects.

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