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When we talk about the masses
of stars, we use 1 M = 1 solar mass.
A 0.5 M star has
half the mass of our sun.
A 6 M star has six
times as much mass of our sun.
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Gravity pulls space
debris together to form a protostar. |
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1/10 |
Protostar is
more than 1/10 of our Sun's mass |
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This object is too small to ever be a star. |
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Moons can be further away,
but not closer than the Roche Limit.
Return to Calculating Orbits for Your
Moons
Picture of Saturn is from a
NASA photograph
©
1998, 2003. Elizabeth Anne Viau. All rights reserved. This material
may be used by individuals for instructional purposes but not
sold. Please inform the author if you use it at eviau@earthlink.net.
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