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tonyekwe tonyekwe
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10 years ago
A G main-sequence star and an unseen companion star are orbiting each other in a binary system ("unseen" means that the companion is much fainter than the G star, so it cannot be seen next to the brighter G star). By measuring the velocity of the G main-sequence star and the period of its orbit, you estimate that the combined mass of the two stars is 5 solar masses. The unseen companion is probably a

A) neutron star
B) red giant
C) white dwarf
D) O main sequence star
E) black hole
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wrote...
9 years ago
White dwarf
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