Chemistry

Chemistry, 10.10.2019 18:30, dinosaur10

Which of the following can astronomers detect if a star is a part of a binary system
(a) the star varies in temperature near the binary
(b)the star wobbles near the binary star
(c)the star has very strong gravity
(d) the star belongs to an open cluster

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Which of the following can astronomers detect if a star is a part of a binary system
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