A planet's north pole is defined by its position relative to the solar system's invariable plane. The invariable plane is a fixed reference point perpendicular to the solar system's rotation. A planet ...
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 ...
Our Earth is well-suited for life because it is perfectly spit-roasted by our Sun thanks to our planet’s axial rotation — but other planets aren’t so lucky. A new study from Peking University reveals ...
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