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All planets experience some sort of flattening (or oblateness) at the poles due to centrifugal forces.

All gas and ice giants - the Sun included, will experience more than the terrestrial planets, because of the ease at which a gas can move compared to the rocky rigid inner planets.

  • Jupiter: 0.06487
  • Saturn: 0.09796
  • Uranus: 0.022 9
  • Neptune: 0.017

The Earth for comparison is:

  • 0.0033528

So Saturn is the flattest planet in our Solar System

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12y ago
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10y ago

Uranus

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14y ago

Venus ;p

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