Astronomy Picture of the Day ·

The Red Square Nebula

The Astronomy Picture of the Day for September 26, 2021 is “The Red Square Nebula,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Peter Tuthill ( Sydney U. ) & James Lloyd ( Cornell U. )). The original explanation runs about 167 words.

The picture shows the Red Square Nebula, a bipolar nebula centered on the bright star MWC 922 Please see the explanation for more detailed information.
Credit: Image Credit & Copyright: Peter Tuthill ( Sydney U. ) & James Lloyd ( Cornell U. ) Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“How did a round star create this square nebula? No one is quite sure.”

— APOD editors, September 26, 2021

Read the full explanation on science.nasa.gov

At a glance

Date
September 26, 2021
Type
Image
Credit
Credit: Image Credit & Copyright: Peter Tuthill ( Sydney U. ) & James Lloyd ( Cornell U. )
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 167 words

All of September 2021 → · 2021 by month → · Full archive since 1995 →

Topics in this entry

NebulaeSupernovae

Topics are matched from words in the title and explanation.

On this day: September 26 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

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.