Physics, 14.12.2020 23:10, alisonmrodriquez1450

Which feature signifies to astronomers that a distant star is part of a planetary system? A. The star periodically dims. B. The star expands into a red giant. C. The star moves through the sky. D. The star continuously gets brighter.

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Which feature signifies to astronomers that a distant star is part of a planetary system? A. The sta...