Astronomy Picture of the Day ·

Hot Gas Halo Detected Around Galaxy NGC 4631

The Astronomy Picture of the Day for July 25, 2001 is “Hot Gas Halo Detected Around Galaxy NGC 4631,” an image. It is credited to Credit: Daniel Wang ( U. Mass. ) et al., Chandra , NASA. The original explanation runs about 126 words.

Hot Gas Halo Detected Around Galaxy NGC 4631
Credit: Daniel Wang ( U. Mass. ) et al., Chandra , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Is our Milky Way Galaxy surrounded by a halo of hot gas? A step toward solving this long-standing mystery was taken recently with Chandra X-ray observations of nearby galaxy NGC 4631 .”

— APOD editors, July 25, 2001

Read the full explanation on science.nasa.gov

At a glance

Date
July 25, 2001
Type
Image
Credit
Credit: Daniel Wang ( U. Mass. ) et al., Chandra , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 126 words

All of July 2001 → · 2001 by month → · Full archive since 1995 →

Topics in this entry

The Milky WayGalaxies

Topics are matched from words in the title and explanation.

On this day: July 25 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.