Collections
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long period variable star by LukeM714 (10 subjects)
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Goodcandidates 2 by Shigeru (10 subjects)
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Variables by Shigeru (10 subjects)
Disk Detective Talk
long period variable star by LukeM714 (10 subjects)
Goodcandidates 2 by Shigeru (10 subjects)
Variables by Shigeru (10 subjects)