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Orion arm |
Also found in: Wikipedia | 0.03 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. 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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Danger to their own Orion Arm has been detected, although through unreliable channels, and information about this threat is believed to be found in the Sagittarius Arm along with the possibility of Builder artifacts. |
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