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Favorites by planetari7 (10 subjects)
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Variable Star by LukeM714 (10 subjects)
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Stars, but not a goodcandidates by TED91 (10 subjects)
Disk Detective Talk
Favorites by planetari7 (10 subjects)
Variable Star by LukeM714 (10 subjects)
Stars, but not a goodcandidates by TED91 (10 subjects)