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Voyager at Neptune

In the summer of 1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune up close, its final planetary target.

This picture of Neptune was produced from images taken by NASA’s Voyager 2 in the summer of 1989 as it...

A deep blue planet with wispy white clouds moving across its face.

The bright cirrus-like clouds of Neptune change rapidly, often forming and dissipating over periods of several to tens of hours...

The bright cirrus-like clouds of Neptune change rapidly, often forming and dissipating over periods of several to tens of hours as seen in this sequence spanning two rotations of Neptune about 36 hours by NASA Voyager 2.

This image of Neptune was taken by NASA Voyager 2 wide-angle camera; small trails of similar clouds trending east to...

This image of Neptune was taken by NASA Voyager 2 wide-angle camera; small trails of similar clouds trending east to west and large scale structure east of the Great Dark Spot all suggest that waves are present in the atmosphere and play a large role

This bulls-eye view of Neptune small dark spot D2 was obtained by NASA Voyager 2 narrow-angle camera. Banding surrounding the...

This bulls-eye view of Neptune small dark spot D2 was obtained by NASA Voyager 2 narrow-angle camera. Banding surrounding the feature indicates unseen strong winds.

This image, taken by NASA Voyager 2 early in the morning of Aug. 23, 1989, is a false color image...

This image, taken by NASA Voyager 2 early in the morning of Aug. 23, 1989, is a false color image of Triton, Neptune largest satellite; mottling in the bright southern hemisphere is present.

This dramatic view of the crescents of Neptune and Triton was acquired by Voyager 2 approximately 3 days, 6 and...

This dramatic view of the crescents of Neptune and Triton was acquired by Voyager 2 approximately 3 days, 6 and one-half hours after its closest approach to Neptune north is to the right.

This image of Neptune south polar region was obtained by NASA Voyager on Aug. 23, 1989. The image shows the...

This image of Neptune south polar region was obtained by NASA Voyager on Aug. 23, 1989. The image shows the discovery of shadows in Neptune atmosphere, shadows cast onto a deep cloud bank by small elevated clouds.

In Neptune outermost ring, 39,000 miles out, material mysteriously clumps into three arcs. Voyager 2 acquired this image as it...

In Neptune outermost ring, 39,000 miles out, material mysteriously clumps into three arcs. Voyager 2 acquired this image as it encountered Neptune in August of 1989.

These three images of Neptune were acquired 90 minutes apart by NASA Voyager 2 spacecraft on April 3, 1989, from...

These three images of Neptune were acquired 90 minutes apart by NASA Voyager 2 spacecraft on April 3, 1989, from a range of 208 million kilometers 129 million miles. Several atmospheric features clouds are visible.

This false color photograph of Neptune was made from NASA's Voyager 2 images taken through three filters: blue, green, and...

This false color photograph of Neptune was made from Voyager 2 images taken through three filters: blue, green, and a filter that passes light at a wavelength that is absorbed by methane gas.

This computer generated montage created from images obtained by NASA Voyager 2 shows Neptune as it would appear from a...

This computer generated montage created from images obtained by NASA Voyager 2 shows Neptune as it would appear from a spacecraft approaching Triton, Neptune largest moon at 2706 km 1683 mi in diameter.