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globular cluster
(Encyclopedia)globular cluster: see star cluster. ...gay-feather
(Encyclopedia)gay-feather: see blazing star.galactic cluster
(Encyclopedia)galactic cluster: see star cluster. ...open cluster
(Encyclopedia)open cluster: see star cluster.optical double
(Encyclopedia)optical double: see binary star. ...visual binary
(Encyclopedia)visual binary: see binary star.spectroscopic binary
(Encyclopedia)spectroscopic binary: see binary star. ...Beehive
(Encyclopedia)Beehive (star cluster): see Praesepe. ...RR Lyrae
(Encyclopedia)RR Lyrae: see variable star.Hercules, in astronomy
(Encyclopedia)Hercules hûrˈkyəlēzˌ [key], in astronomy, northern constellation located between Lyra and Corona Borealis. It is traditionally depicted as the hero Hercules in a kneeling position. There are no v...Browse by Subject
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