The dark UV ovals were first detected by NASA’s Hubble Space Telescope during the late 1990s at the north and south poles.
While Jupiter's Great Red Spot has been a constant feature of the planet for centuries, University of California, Berkeley, ...
Voyager captures Neptune: Clicked on October 14, 1999 by NASA Voyager 2, this photo of Neptune shows three distinct features of the planet, including the Great Dark Spot at the North. Thanks For ...