Astronomy Picture of the Day · April 20, 2005

Barnard's Loop Around Orion

The Astronomy Picture of the Day for April 20, 2005 is “Barnard's Loop Around Orion,” an image. The picture is copyrighted by its creator (Credit & Copyright: W. H. Wang ( IfA, U. Hawaii )). The original explanation runs about 143 words.

From the explanation

“Why is the belt of Orion surrounded by a bubble? Although glowing like an emission nebula , the origin of the bubble, known as Barnard’s Loop , is currently unknown.”

— APOD editors, April 20, 2005

Read the full explanation on science.nasa.gov

At a glance

Date: April 20, 2005
Type: Image
Credit: Credit & Copyright: W. H. Wang ( IfA, U. Hawaii )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 143 words

All of April 2005 → · 2005 by month → · Full archive since 1995 →

Topics in this entry

Orion Nebulae

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, 2005 — science.nasa.gov/image-article/apod-2005-april-20-barnards-loop-around-orion

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.