Astronomers using NASA’s Hubble Space Telescope have measured the rotation rate of an extreme exoplanet by observing the varied brightness in its atmosphere. This is the first measurement of the ...
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How long does it take the sun to rotate on its axis?
The Sun turns, but not in the way a solid object would. It has no hard surface, no fixed edge to follow. What scientists describe as solar rotation comes from watching patterns move across a glowing, ...
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