What If The Moon Were Replaced By Other Planets?

Re:What If The Moon Were Replaced By Other Planets? by ygra on Wednesday June 26, 2013 @08:52AM (#5945656)

There are systems with twin stars.

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Re:What If The Moon Were Replaced By Other Planets? by sp332 on Wednesday June 26, 2013 @11:22AM (#5946614)

But how stable would a planet's orbit be in a two-star system?

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Re:What If The Moon Were Replaced By Other Planets? by ygra on Thursday June 27, 2013 @02:35AM (#5950971)

http://en.wikipedia.org/wiki/Twin_star_system#Planets says »Simulations have shown that the presence of a binary companion can actually improve the rate of planet formation within stable orbital zones«

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