Astronomy › Section I · Giant planets, moons, and rings › Topic I.3

Atmospheres of the giant planets

Everything we see of a giant planet is atmosphere: stacked cloud decks, racing jet streams and storms bigger than Earth that last for centuries. Their weather follows the same physics as ours, under very different conditions.

In this topic

  • Reading the gases
  • Clouds form where gases condense
  • Worked example: reading a cloud stack
  • Where the colours come from
  • Bands, zones and jet streams
  • Worked example: a cloud circling Neptune
  • Neptune and Uranus: active and quiet
  • Storms that last for centuries
  • Common mistakes to avoid
  • Key takeaways

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