Astronomy Picture of the Day · March 23, 2011

MWC 922: The Red Square Nebula

The Astronomy Picture of the Day for March 23, 2011 is “MWC 922: The Red Square Nebula,” an image. The picture is copyrighted by its creator (Credit & Copyright: Peter Tuthill ( Sydney U. ) & James Lloyd ( Cornell )). The original explanation runs about 162 words.

From the explanation

“What could cause a nebula to appear square? No one is quite sure.”

— APOD editors, March 23, 2011

Read the full explanation on science.nasa.gov

At a glance

Date: March 23, 2011
Type: Image
Credit: Credit & Copyright: Peter Tuthill ( Sydney U. ) & James Lloyd ( Cornell )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 162 words

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Topics in this entry

Nebulae Supernovae

Topics are matched from words in the title and explanation.

On this day: March 23 in other years

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Source

Astronomy Picture of the Day, March 23, 2011 — science.nasa.gov/image-article/apod-2011-march-23-mwc-922-the-red-square-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.