Astronomy Picture of the Day · April 17, 2006

Barnard's Loop around the Horsehead Nebula

The Astronomy Picture of the Day for April 17, 2006 is “Barnard's Loop around the Horsehead Nebula,” an image. The picture is copyrighted by its creator (Credit & Copyright: Peter Erdman ( Embry-Riddle U. )). The original explanation runs about 116 words.

From the explanation

“Why is the Horsehead Nebula 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 17, 2006

Read the full explanation on science.nasa.gov

At a glance

Date: April 17, 2006
Type: Image
Credit: Credit & Copyright: Peter Erdman ( Embry-Riddle U. )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 116 words

All of April 2006 → · 2006 by month → · Full archive since 1995 →

Topics in this entry

Nebulae

Topics are matched from words in the title and explanation.

On this day: April 17 in other years

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Source

Astronomy Picture of the Day, April 17, 2006 — science.nasa.gov/image-article/apod-2006-april-17-barnards-loop-around-the-horsehead-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.