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Uranus and Neptune as seen by Voyager 2
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Thin Weather Layers on Uranus and Neptune

The solar system's "ice giants" display surprisingly energetic weather patterns — and a new analysis suggests they're all confined to a very thin outer layer on each planet. > read more

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This Week's Sky at a Glance
Three naked-eye planets tighten up together low in the sunset this week, the full Moon occults a star of Scorpius, and Chi Cygni is unusually bright. > read more
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See the latest amateur astrophotos from visitors to our online photo gallery. > read more

 
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Thin Weather Layers on Uranus and Neptune
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