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ehidna [41]
2 years ago
8

What is the difference between an optical double star and a visual binary star

SAT
1 answer:
creativ13 [48]2 years ago
5 0
An optical double is an illusion—the stars are at vast distances from each other and are not actually orbiting each other—whereas in a visual binary, the stars are actually orbiting each other. its total energy output into all space
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