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victorx

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victorx

homework

what is the name given to the60th part of an hour
17:14 Sun 18th Oct 20093 answers, last by another-view 11:19 Mon 19th Oct 2009
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victorx

astronomy

what is the name of the device for showing the movement of stars and planets on a curved ceiling
17:43 Sun 03rd Dec 20063 answers, last by mibn2cweus 08:15 Wed 06th Dec 2006

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