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doc File Ancient_Astronomy.doc
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 284.50 Kb 09/22/11
ppt File Brightness_of_Stars.ppt
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 1.28 MB 10/10/12
ppt File Gravity__Motion.ppt
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 5.32 MB 10/10/12
doc File Intro_to_Astronomy.doc
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 29.00 Kb 02/07/09
ppt File The_Lives_of_Stars.ppt
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 10.30 MB 10/25/12
ppt File The_Moon.ppt
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 5.21 MB 11/15/12
ppt File The_Sun.ppt
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 2.95 MB 11/08/12