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astrometry |
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astrometry: see astronomy astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets , stars , and galaxies ; more generally, the study of matter and energy in the universe at large. ..... Click the link for more information. . astrometry [ə′sträm·ə·trē] (astronomy) The branch of astronomy dealing with the geometrical relations of the celestial bodies and their real and apparent motions. 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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In contrast, astrometry maps the changing position of a star. Hoffleit, an authority on variable stars, astrometry, and the history of astronomy, began her career in 1929 as a research assistant at Harvard. Thus, astrometry typically finds planets that take a long time to orbit their parent star. |
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