Great-red-spot
noun, Astronomy.
1.
.
noun, Astronomy.
1.
a large, usually reddish gaseous vortex on the surface of Jupiter, about 14,000 by 30,000 km, that drifts about slowly as the planet rotates and has been observed for several hundred years.
noun
1.
a large long-lived oval feature, south of Jupiter’s equator, that is an anticyclonic disturbance in the atmosphere
noun
1.
See Great Red Spot
Great Red Spot
A very large, high-pressure atmospheric feature on the planet Jupiter, characterized by anticyclonic winds circulating at a speed of approximately 400 km (248 mi) per hour. The storm has persisted on Jupiter’s surface for more than 300 years since first observed through telescopes; the cause of its reddish color is unknown.
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