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A 20 solar mass star and a neutron star orbit each other every 13.1 days. What is the average distance between them?
Wiki User
∙ 15y ago
This Kepler's Third Law problem can be solved with the following formula: P2 = a3 / (M1 + M2) P = period of rotation in years a = distance between the objects in AUs M1 and M2 = mass of the first and second objects (respectively) in solar masses Average neutron star mass = 1.75 solar masses (about) P = 13.1 / 365 = 0.03589 years (about) a = 0.3037 AU
Wiki User
∙ 15y ago
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