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To understand why we have seasons, we need to look at the relations ... The sun's rays are pretty close to parallel to each other when they reach the Earth, ...
http://daphne.palomar.edu/jthorngren/tutorial.htm
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A different astronomy and space science related image is featured each day, along with a brief explanation. ... The Moon's silhouette surrounded by a ...
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... paste the following into your podcatching software: astronomycast.com/podcast.xml ... please email it in to info@astronomycast.com and we'll try to tackle it ...
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Daily updates, archives since June 1995. Descriptions and bookmarks by an astronomer.
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Non-technical, current, astronomy information, news, and photographs. Night sky maps and viewing tips. Daily StarDate radio scripts (English and Spanish)
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... portal is currently online at http://www.usno.navy.mil and is being populated. ... About AA. Information about the department and its history ...
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