Tracking the rotation speed of solid planets, like the Earth and Mars, is a relatively simple task: Just measure the time it takes for a surface feature to roll into view again. But giant gas planets ...
Jupiter boasts the shortest day in our solar system, completing a rotation in just under 10 hours. This rapid spin, a result of its immense size, gaseous composition, and retained angular momentum ...
Astronomers have found that the rotational profile of a nearby star, V889 Herculis, differs considerably from that of the Sun. The observation provides insights into the fundamental stellar ...
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