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For questions about luminous spheres of plasma held together by their own gravity, generally comprised primarily of hydrogen and helium.

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How many Mars sized planets can form and remain stable in the habitable zone of a Sun-like s...

.7 to 1.5 A.U.? Venus is .72 A.U., earth is 1 A.U. and Mars is 1.52 A.U. So judging by our solar system, 3 planets are possible. Smaller bodies at a star planet L4 and L5 are stable if the smaller …
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