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parallactic displacement |
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parallactic displacement [¦par·ə¦lak·tik di′splās·mənt]
(astronomy) The apparent changes in the position of a star due to changes in the position of the earth as it moves around the sun. Also known as parallactic shift. 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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