Gravitation · Law of gravitation
A planet () is moving around the star of mass in the orbit of radius . Another planet () is moving around another star of mass in an orbit of radius . Ratio of time periods of revolution of and is .
- (1)
- (2)2
- (3)4
- (4)
We corrected a printing error in the original paper
Source printed “in a orbit”.
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See the full 2 Apr 2026, Shift 1 paper