Astronomy Picture of the Day · September 5, 2013

M1: The Incredible Expanding Crab

The Astronomy Picture of the Day for September 5, 2013 is “M1: The Incredible Expanding Crab,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Adam Block , Mt. Lemmon SkyCenter , U. Arizona). The original explanation runs about 138 words.

From the explanation

“The Crab Nebula is cataloged as M1, the first on Charles Messier’s famous list of things which are not comets . In fact, the Crab is now known to be a supernova remnant, an expanding cloud of debris from the explosion of a massive star.”

— APOD editors, September 5, 2013

Read the full explanation on science.nasa.gov

At a glance

Date: September 5, 2013
Type: Image
Credit: Credit: Image Credit & Copyright: Adam Block , Mt. Lemmon SkyCenter , U. Arizona
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 138 words

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Nebulae Supernovae Comets

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Source

Astronomy Picture of the Day, September 5, 2013 — science.nasa.gov/image-article/apod-2013-september-5-m1-the-incredible-expanding-crab

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.