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S Is for Space
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541	Why TIMED? For centuries, scientists have realized that Earth’s natural environment is greatly impacted by the abundance of solar energy Add to Reading List Source URL: www.timed.jhuapl.edu Language: English - Date: 2013-03-05 13:20:57 University of Colorado at Boulder TIMED Space science Goddard Space Flight Center Space weather Jason-1 Solar Dynamics Observatory Spaceflight Spacecraft Space technology
542 $Numerical integration / Observational astronomy / Air mass / Astronomy / Space / Atmospheric refraction / Celestial coordinate system / Horizon / Horizontal coordinate system$	THE ASTRONOMICAL JOURNAL, 119 : 2472È2474, 2000 May No copyright is claimed for this article. Printed in U.S.A. Add to Reading List Source URL: trs-new.jpl.nasa.gov Language: English - Date: 2005-01-11 17:03:13 Numerical integration Observational astronomy Air mass Astronomy Space Atmospheric refraction Celestial coordinate system Horizon Horizontal coordinate system
543	Heron of Alexandria’s Date Nathan SidoliŁ Abstract. This paper is a reassessment of the use of the use of Dioptra 35 for the purposes of dating the Add to Reading List Source URL: individual.utoronto.ca Language: English - Date: 2011-02-15 10:33:50 Eclipses Ancient Greek mathematicians Celestial mechanics Astrometry Dioptra Hipparchus Lunar eclipse Saros Analemma Astrology Astronomy Space
544	~ift 1Sooks for ((bristmas OOKS are the perfect gift for Christmas, 1942. Soldiers on foreign service cannot find time or facilities for shopping, and shipping space is at a premium. Send the JOURNAL olle letter and Add to Reading List Source URL: www.airdefenseartillery.com Language: English - Date: 2008-10-29 05:41:40 Rail transport Karl-Gerät U.S. Army Coast Artillery Corps Coastal artillery Artillery Railway guns Explosive weapons

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