Astronomy Picture of the Day ·

Dark Spots on Neptune

The Astronomy Picture of the Day for August 21, 2001 is “Dark Spots on Neptune,” an image. It is credited to Credit: Voyager 2 Team , NASA. The original explanation runs about 144 words.

Dark Spots on Neptune
Credit: Voyager 2 Team , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Neptune has spots. The Solar System ‘s outermost gas giant shows a nearly uniform blue hue created by small amounts of methane drifting in a thick atmosphere of nearly colorless hydrogen and helium .”

— APOD editors, August 21, 2001

Read the full explanation on science.nasa.gov

At a glance

Date
August 21, 2001
Type
Image
Credit
Credit: Voyager 2 Team , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 144 words

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Source

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.