Astronomy of the Earth's Motion in Space.Last Updated on 2010-08-27 at 17:55
An algebra-based overview of elementary and (mostly) pre-telescope astronomy, for personal study, also for middle school (some), high school (mostly) and beginning... More »
'We Are All Connected'Last Updated on 2009-12-07 at 21:06
"We Are All Connected" was made from sampling Carl Sagan's Cosmos, The History Channel's Universe series, Richard Feynman's 1983 interviews, Neil deGrasse Tyson's... More »
'Our Place in the Cosmos'Last Updated on 2009-12-07 at 20:30
"Our Place in the Cosmos", the third video from the Symphony of Science, was crafted using samples from Carl Sagan's Cosmos, Richard Dawkins' Genius of Charles Darwin... More »
NASA - For EducatorsLast Updated on 2009-04-01 at 21:53Featuring a variety of information and materials for educators.
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AsteroidsLast Updated on 2009-03-30 at 13:28In 1766 the German astronomer Titius observed an interesting regularity among the mean distances of planets known at the time: with two notable exceptions, they seemed to follow a... More »