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Astronomical unit | |
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About 10 pages (3,006 words) in 3 products |
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Encyclopedia and Summary Information
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Astronomical unit Information
1,298 words, approx. 4 pages
 The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length approximately equal to the distance from the Earth to the Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (nearly 150 million...


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 Science News
Star tracks. (Thousand Astronomical Unit project)
02/28/1987: 1,971 words, approx. 7 pages Star Tracks Astrometry, the determination of thelocations of celestial bodies, is a fundamental, if somewhat unglamorous, part of astronomy. It is probably the oldest astronomical activity, having begun the first time an observer made note of the location a star accurately enough...
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 The Boston Globe
Astronomical
04/02/2006: 379 words, approx. 1 pages "I'VE ALWAYS LIKED TO BUY ANTIQUES, AND thinking of creative things to do with old, out-of-use parts and pieces appeals to me," says Gary Hume of GGH Designs. An antiques dealer, welder, and sculptor, Hume, 44, used to put his welding know-how to...


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Astronomical unit | |
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About 10 pages (3,006 words) in 3 products |
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