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#1 |
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Bronze Medalist
Jan 2004
Mumbai,India
22·33·19 Posts |
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#2 |
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"Lucan"
Dec 2006
England
2·3·13·83 Posts |
How does one estimate the mass of a galaxy other than its
speed of rotation? c.f. mass of the Sun? David |
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#3 |
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Mar 2003
New Zealand
115710 Posts |
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#4 |
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Sep 2002
11010111112 Posts |
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