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ppk ppk
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Posts: 3560
12 years ago
Briefly describe how we can use the orbital characteristics of stars at many distances from the galactic center to determine the distribution of mass in the Milky Way.
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lewislewis
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12 years ago
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This verified answer contains over 150 words.
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ppk Author
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12 years ago
Smart ... Thanks!
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Yesterday
Thanks for your help!!
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2 hours ago
Helped a lot
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