daagh wrote:
The alleged ambiguity about 'them' may not sustain logically. The contenders, if at all any, are 1. astronomers, 2. planets, and 3. stars. Obviously, planets orbiting astronomers is too silly. Planets orbiting planets is also equally weird. Therefore, the logical and befitting referent for 'them' is only stars.
Planets can orbit around each other.
https://www.space.com/27832-binary-eart
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