The faint dot in the upper right corner is Neptune's small satellite hippocampus.

Neptune photographed by VLT (Very Large Telescope)

This picture of Neptune was obtained by testing the narrow adaptive optical mode of MUSE/ALACSI instrument on ESO very large telescope.

Neptune-1989.8.3 1

Neptune Voyager 2 shot by amateur image processor. This photo was taken by the narrow-angle camera of Voyager 2 around 19898.3 1 Coordinated Time (i.e. Universal Time, such as utc time used by international flight crew).

The first family portrait of the solar system (1990)

See the "portrait" of the solar system from the outside for the first time.

New moons of Neptune and Triton.

Voyager 2 took this spectacular picture of Neptune and the new moon Triton about three days and six and a half hours after it was closest to Neptune (north on the right).

Neptune ring

1On August 26th, 989, Voyager 2 wide-angle camera took these two photos of Neptune's rings at a distance of 280,000 kilometers (175,000 miles) with a transparent filter.

The scene after Neptune met at the South Pole.

Voyager 2 took photos of the South Pole after meeting Neptune.

Panorama of Neptune

This photo of Neptune was synthesized from the last planet image taken by the green and orange filters on Voyager 2 narrow-angle camera.

Neptune photographed by Hubble

These photos of Neptune, a blue-green planet, taken by NASA's Hubble Space Telescope, provide three snapshots of weather changes.

Neptune cloud shows vertical fluctuations.

This high-resolution color image of Voyager 2 was taken nearly two hours ago, providing clear evidence for the vertical fluctuation of Neptune's bright cloud belt.

Nereid

Nereid is the last satellite discovered by Voyager before its recent discovery of Neptune. It was first discovered by Gerard Quipper in 1949.

1989N 1

Voyager 2 took this picture of the irregularly shaped satellite 1989N 1 at a distance of 870,000 kilometers (540,000 miles) from Neptune.

Neptune: circular arc

1August, 989 19, Voyager took this 6 1 s photo at a distance of 8.6 million kilometers (5.3 million miles) from Neptune through the transparent filter of the narrow-angle camera.

Neptune-full ring system

This pair of Voyager 2 images (FDS/KOOC-0//KOOC-0/446.2/KOOC-0/and/KOOC-0//KOOC-0/0) are two 59/KOOC-0/-s exposures obtained through the transparent filter of the wide-angle camera.

Neptune ring

This wide-angle Voyager 2 photo was taken through the camera's transparent filter, which is the first photo showing Neptune's halo in detail.

New moons of Neptune and Triton.

Triton map

Voyager 2 flew over Neptune's satellite Triton in the summer of 1989.

Triton map

Triton volcanic plain #2

This photo of Neptune's Triton volcanic plain was taken by the topographic map obtained by NASA's Voyager spacecraft during a flyby in August 1989 20 years ago this week.

Triton volcanic plain

This photo of Neptune's Triton volcanic plain was taken by the topographic map obtained by NASA's Voyager spacecraft during a flyby in August 1989 20 years ago this week.

Voyager took a parting photo of Triton.

1On the morning of August 25th, 989, Voyager 2 took a parting photo shortly after Neptune's largest satellite, Triton, was closest to the moon and passed through its shadow.

Haiweiyi mosaic

This image of Triton is a mosaic of the highest resolution image taken by Voyager 2 from a distance of about 40,000 kilometers (24,800 miles) on August 25th 1989.

Surface morphology of Triton

This photo was taken on August 24th, 1989. Voyager 2 is 530,000 kilometers (330,000 miles) from Triton, Neptune's largest satellite.

Haiweiyi mosaic

A mosaic of Triton consisting of 16 independent images.

triton (shell)

This pseudocolor image of Triton is composed of purple, green and ultraviolet filters.

A branch of triton.

This natural color photo of Triton- 1 was taken on the morning of August 25th, 1989, when Voyager 2 was about 2 10000 km (128000 miles) away from this icy satellite.

Wing clouds hang over triton.

Wing clouds on Triton's Antarctic cap.

triton (shell)

Voyager 2 photographed Triton, Neptune's largest satellite, which is less than 80,000 kilometers (50,000 miles) away from Neptune.

Details of Triton's surface

This color photo was taken on August 24, 1989 at a distance of 530,000 kilometers (330,000 miles).

The complex geological history of Triton.

This photo taken by Voyager 2 shows the complex geological history of Iceland, Neptune's largest satellite, and the resolution of each photo is 900 meters (2,700 feet).

Triton-1 fault

Neptune and triton.

This photo was sent back by Voyager 2 on1July 3, 989, when it was 76 million kilometers (47 million miles) away from Neptune.

Montage of Neptune and Triton

This computer-generated montage photo shows Neptune emerging from a spaceship near Triton. Triton is the largest satellite of Neptune, with a diameter of 2706 kilometers (1683 miles).

Color sequence of Triton image

Triton Voyager 2 proximity sequence is superimposed with latitude and longitude grid.

Global color mosaic of Triton

The global color mosaic of Triton taken by Voyager 2 when it flew over Neptune system in 1989.

reference data

1. Wikipedia

2. Astronomical terminology

3. NASA-Yes

Please also get authorization for reprinting, and pay attention to maintaining integrity and indicating the source.