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globular cluster |
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globular cluster: see star cluster star cluster, a group of stars near each other in space and resembling each other in certain characteristics that suggest a common origin for the group. Stars in the same cluster move at the same rate and in the same direction. ..... Click the link for more information. . globular clusterAny large group of old, Population II (see Populations I and II) stars closely packed in a symmetrical, somewhat spherical form. About 150 have been identified in the Milky Way Galaxy. Most are distributed in a spherical volume above and below the Galaxy's disk (see galactic halo). Globular clusters contain many more stars (10,000–1,000,000) than open clusters do and can be several hundred light-years in diameter. Because they are so distant from the solar system, most are not visible to the unaided eye. Omega Centauri and a few others can be seen without a telescope as hazy patches of light. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| These photographs include the pinpoints of stellar light making up the M13 globular cluster, Venus transiting across the face of the sun, the Horsehead nebula, the Crab pulsar, and the tentacles of the Tarantula nebula. You can't draw a globular cluster and make it look like a globular cluster. The heart of a globular cluster of stars appears as a shimmer carpet of jewels. |
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