Originally thought to be a large cloud itself, it was later postulated to be a hole in
the visible cloud deck.
The presence of water ice, he says, supports the idea that Saturn's superstorms are powered by condensation of water and originate deep in the atmosphere, about 200 kilometers below
the visible cloud deck.
Not exact matches
The wave may originate in a clear layer beneath the
clouds, only becoming
visible when it propagates up into the
cloud deck, according to the researchers.
Several dramatic phenomena become
visible only when the sun or moon shines through a partially obscuring
deck of
clouds.