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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Approaching Jupiter

Explanation: In 1979 the Voyager 1 spacecraft compiled this view as it approached the gas giant Jupiter . Snapping a picture every time the Great Red Spot was properly aligned, the above time-lapse sequence shows not only spot rotation but also the swirling of neighboring clouds . Since Jupiter takes about 10 hours to rotate, this short sequence actually covers several days. Voyager 1 shot past Jupiter rapidly taking pictures on which many discoveries would be made, including previously unknown cloud patterns , rings , moons , and active volcanoes on Jupiter's moon Io . Voyager is moving so fast that it will one day leave our Solar System .

Date September 26, 2000
Credit Credit: Voyager 1 Spacecraft Team , JPL , NASA
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.