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orbital velocity |
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orbital velocity [′ȯr·bəd·əl və′läs·əd·ē] (astronomy) The instantaneous velocity at which an earth satellite or other orbiting body travels around the origin of its central force field. 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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| Orbital velocity is an important diagnostic tool, notes Gilmore, because "it's one of the very few conserved quantifies" in the aftermath of a collision. The orbital velocity and colors of the Pluto-Charon system are similar to those of the objects. Compelling evidence of a black hole, he notes, awaits measurements of the orbital velocity of material near the galaxy's center -- a study Hubble can't perform until a late 1993 repair mission corrects its flawed optics. |
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