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Open cluster of several hundred stars in the constellation Taurus. The bright star Aldebaran appears to be a member of the cluster but is much closer to Earth than the Hyades, which is about 130 light-years away. Five genuine members of the group are visible to the unaided eye.
This entry comes from Encyclopædia Britannica Concise. For the full entry on Hyades, visit Britannica.com.