Astronomy

Nice Question

 Nice Question
Question score of 10 or more. This badge can be awarded multiple times.

earned this badge 3 times.
How can only 1 magnetic pole of the Sun change at a time?
Awarded Jan 13, 2017 at 16:28
Escaping a black hole
Awarded Dec 16, 2016 at 18:14
Did a piece of Halley's comet strike the Earth 1,500 years ago?
Awarded May 31, 2016 at 23:24

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