Astronomy Picture of the Day · July 21, 2021

Colors: Ring Nebula versus Stars

The Astronomy Picture of the Day for July 21, 2021 is “Colors: Ring Nebula versus Stars,” an image. It is credited to Image Credit: Robert Vanderbei ( Princeton U. ). The original explanation runs about 170 words.

The picture shows the several images of the Ring Nebula separated by their colors. Please see the explanation for more detailed information. — Credit: Image Credit: Robert Vanderbei ( Princeton U. ) Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What if you could see, separately, all the colors of the Ring? And of the surrounding stars?”

— APOD editors, July 21, 2021

Read the full explanation on science.nasa.gov

At a glance

Date: July 21, 2021
Type: Image
Credit: Credit: Image Credit: Robert Vanderbei ( Princeton U. )
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 170 words