Definition Cluster: A grouping of the same types of astronomical objects. For example, stars in the Milky Way can group together into open clusters or globular clusters. More »
Stargazing Tip November 19, 2009: The two nearest star clusters to Earth appear in the constellation Taurus, the bull. The Hyades forms the bull's V-shaped face, while the Pleiades forms a tiny dipper north of the Hyades. Look for them high in the east this evening.
Check the Sky Almanac for more information.
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