Astronomy Picture of the Day · April 20, 2003

The Gum Nebula Supernova Remnant

The Astronomy Picture of the Day for April 20, 2003 is “The Gum Nebula Supernova Remnant,” an image. The picture is copyrighted by its creator (Credit & Copyright: John Gleason (Celestial Images)). The original explanation runs about 114 words.

From the explanation

“Because the Gum Nebula is the closest supernova remnant , it is actually hard to see. Spanning 40 degrees across the sky, the nebula is so large and faint it is easily lost in the din of a bright and complex background.”

— APOD editors, April 20, 2003

Read the full explanation on science.nasa.gov

At a glance

Date: April 20, 2003
Type: Image
Credit: Credit & Copyright: John Gleason (Celestial Images)
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 114 words

All of April 2003 → · 2003 by month → · Full archive since 1995 →

Topics in this entry

Nebulae Supernovae

Topics are matched from words in the title and explanation.

On this day: April 20 in other years

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Source

Astronomy Picture of the Day, April 20, 2003 — science.nasa.gov/image-article/apod-2003-april-20-the-gum-nebula-supernova-remnant

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.