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Orion arm |
Also found in: Wikipedia | 0.01 sec. |
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Orion arm [ə′rī·ən ‚ärm]
(astronomy) The spiral arm of the Milky Way Galaxy that has a spur in which the sun is located. Also known as local arm. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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