Astronomy

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.

earned this badge 2 times.
Sun constantly converts mass into energy, will this cause its gravity to decrease?
Awarded Feb 25, 2020 at 21:50
Why are perihelion and the shortest day in the northern hemisphere different?
Awarded Jan 13, 2020 at 23:55

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