Astronomy Picture of the Day · March 20, 2023

M1: The Expanding Crab Nebula

The Astronomy Picture of the Day for March 20, 2023 is “M1: The Expanding Crab Nebula,” a video. The video is copyrighted by its creator (Video Credit & Copyright: Detlef Hartmann). The original explanation runs about 164 words.

From the explanation

“Are your eyes good enough to see the Crab Nebula expand? The Crab Nebula is cataloged as M1, the first on Charles Messier’s famous list of things which are not comets .”

— APOD editors, March 20, 2023

Read the full explanation on science.nasa.gov

At a glance

Date: March 20, 2023
Type: Video
Credit: Credit: Video Credit & Copyright: Detlef Hartmann
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 164 words

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Topics in this entry

Nebulae Comets

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Source

Astronomy Picture of the Day, March 20, 2023 — science.nasa.gov/image-article/apod-2023-march-20-m1-the-expanding-crab-nebula

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.