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| dcterms created | ![]() ![]() |
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| dcterms modified | ![]() ![]() |
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| definition | A vast region surrounding a galaxy where dynamical tracers reveal a large amount of hidden mass. The halo has considerable mass but relatively low luminosity, suggesting the presence of a lot of dark matter. | |||||||
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| contributor | AAS_Frey.Katie original | |||||||
| creator | AAS_Frey.Katie original | |||||||