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Many stars, including the Sun, periodically display starspots, cooler areas of the surface associated with higher local concentrations of the stellar magnetic field. They can sometimes be a couple ...
#1: Attribution notice removed
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System
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2020-06-01T14:13:59Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/q/162737 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/