Dusk or dawn, evening or morning beach landscape. Scenery background or island backdrop clouds over water stock illustrations Panorama of sea sunset or ocean sunrise. Vector illustration of... Top ...

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Cloud-watchers can talk all about the interesting shapes they've noticed over the years. They may have been gazing out the car window during a road trip, or tanning on the beach, or on a morning walk.

Instead of being formed of ammonia ice -- the conventional view -- it now appears they are ... he demonstrated that the abundance of ammonia and cloud-top pressure in Jupiter's atmosphere could ...