Astronomy Picture of the Day ·

Nebulas Surrounding Wolf-Rayet Binary BAT99-49

The Astronomy Picture of the Day for April 21, 2004 is “Nebulas Surrounding Wolf-Rayet Binary BAT99-49,” an image. The picture is copyrighted by its creator (Credit & Copyright: Y. Naze, G. Rauw, J. Manfroid, J. Vreux ( Univ. Liege ), Y. Chu (Univ. Illinois), ESO). The original explanation runs about 140 words.

Nebulas Surrounding Wolf-Rayet Binary BAT99-49
Credit & Copyright: Y. Naze, G. Rauw, J. Manfroid, J. Vreux ( Univ. Liege ), Y. Chu (Univ. Illinois), ESO Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“How could two young stars power these colorful interstellar gas clouds? Although hidden by thick dust , the stars spew forceful ions and energetic radiation that cause the clouds to fragment and light up.”

— APOD editors, April 21, 2004

Read the full explanation on science.nasa.gov

At a glance

Date
April 21, 2004
Type
Image
Credit
Credit & Copyright: Y. Naze, G. Rauw, J. Manfroid, J. Vreux ( Univ. Liege ), Y. Chu (Univ. Illinois), ESO
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 140 words

All of April 2004 → · 2004 by month → · Full archive since 1995 →

Topics in this entry

NebulaeGalaxies

Topics are matched from words in the title and explanation.

On this day: April 21 in other years

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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.