Astronomy Picture of the Day · July 25, 2021

Crescent Neptune and Triton

The Astronomy Picture of the Day for July 25, 2021 is “Crescent Neptune and Triton,” an image. It is credited to Image Credit: NASA , Voyager 2. The original explanation runs about 114 words.

The picture shows the planet Neptune and its moon Triton, both in crescent phases, as captured by the passing Voyager 2 spacecraft in 1989. Please see the explanation for more detailed information. — Credit: Image Credit: NASA , Voyager 2 Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Gliding silently through the outer Solar System , the Voyager 2 spacecraft camera captured Neptune and Triton together in crescent phase. The elegant picture of the ice-giant planet and its cloudy moon was taken from behind just after closest approach in 1989.”

— APOD editors, July 25, 2021

Read the full explanation on science.nasa.gov

At a glance

Date: July 25, 2021
Type: Image
Credit: Credit: Image Credit: NASA , Voyager 2
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 114 words

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Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: July 25 in other years

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Source

Astronomy Picture of the Day, July 25, 2021 — science.nasa.gov/image-article/apod-2021-july-25-crescent-neptune-and-triton

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.