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galactic halo

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galactic halo
n
(Astronomy) Astronomy a spheroidal aggregation of globular clusters, individual stars, dust, and gas that surrounds the Galaxy
galactic halo
A large, spherical region of relatively dust-free space surrounding a spiral galaxy such as the Milky Way. The inner regions of the galactic halo contain globular clusters of very old stars, while the outer regions are apparently occupied by large amounts of dark matter. See also MACHO.
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The data show, with very high confidence level, agreement with all the features expected for the presence of dark matter particles in the galactic halo," Bernabei says.
Battle over WIMPs goes another round: claimed dark matter find ... by Cowen, Ron / Science News
It lies in a sphere above the Milky Way known as the galactic halo.
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Topics include opacity in the transition region of cool dwarfs, hot gas in the galactic halo, phosphorous in the diffuse ISM, and the scientific rationale for a ten meter UV-optical telescope.
Astrophysics in the Far Ultraviolet: Five Years of Discovery with ... by SciTech Book News
 
 
 
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