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Which planet has the most extreme axial tilt in the Solar System?
SpacePlanets
Quick Answer
Uranus has the most extreme axial tilt, at about 98 degrees. In effect, it rotates almost on its side.
The Full Story
Uranus is famous for its unusual orientation. Its axis is tilted by roughly 98 degrees relative to its orbit, so the planet appears to roll around the Sun rather than spin upright like Earth. This gives Uranus extreme seasonal changes over its 84-year orbit. Most scientists think a giant impact early in the planet's history may have tipped it over.
Key Facts
1.Uranus axial tilt: about 98 degrees
2.Uranus takes about 84 Earth years to orbit the Sun
3.Likely tipped by a major ancient collision
YouTube Angle
Suggested video title for this topic:
"One planet is basically lying on its side—and nobody knows exactly why!"