The Great Dark Spot on Neptune Its size is comparable to t | ASTRO-MECHANICS
The Great Dark Spot on Neptune
Its size is comparable to the size of Earth and resembles the Great Red Spot of Jupiter
It was discovered in 1989 by the Voyager 2 spacecraft. Both the Great Dark Spot of Neptune and the Great Red Spot of Jupiter are anticyclones.
Wind speeds reached supersonic speeds of 2,400 km/h around the spot, which was the highest in the entire Solar System. It is believed that the spot was a hole in the methane clouds of Neptune
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