Uranus has an axial tilt of 97.77 degrees, and its axis of rotation is close to parallel with the plane of the Solar System.
Near the time of Uranian solstices, one pole faces the Sun continuously while the other pole faces away.
During the equinoxes, the Sun faces the equator of Uranus giving day and night cycles similar to most of the other planets.
We don’t have any physical evidence as to why the planet Uranus is tilted at such an extreme angle.
Judging by what we’ve seen elsewhere in the solar system, astronomers suppose that, early in Uranus’s formation, a huge meteorite or other body knocked it on its side.
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