Astronomy Picture of the Day · November 23, 2007

The Medusa Nebula

The Astronomy Picture of the Day for November 23, 2007 is “The Medusa Nebula,” an image. The picture is copyrighted by its creator (Credit & Copyright: Don Goldman). The original explanation runs about 151 words.

From the explanation

“Braided, serpentine filaments of glowing gas suggest this nebula’s popular name, The Medusa Nebula. Also known as Abell 21, this Medusa is an old planetary nebula some 1,500 light-years away in the constellation Gemini .”

— APOD editors, November 23, 2007

Read the full explanation on science.nasa.gov

At a glance

Date: November 23, 2007
Type: Image
Credit: Credit & Copyright: Don Goldman
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 151 words

All of November 2007 → · 2007 by month → · Full archive since 1995 →

Topics in this entry

Nebulae

Topics are matched from words in the title and explanation.

On this day: November 23 in other years

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Source

Astronomy Picture of the Day, November 23, 2007 — science.nasa.gov/image-article/apod-2007-november-23-the-medusa-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.