Astronomy Picture of the Day ·

Arp 299: Black Holes in Colliding Galaxies

The Astronomy Picture of the Day for November 1, 2016 is “Arp 299: Black Holes in Colliding Galaxies,” an image. It is credited to Image Credit: NASA , JPL-Caltech , GSFC , Hubble , NuSTAR. The original explanation runs about 194 words.

Arp 299: Black Holes in Colliding Galaxies
Credit: Image Credit: NASA , JPL-Caltech , GSFC , Hubble , NuSTAR Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Is only one black hole spewing high energy radiation — or two? To help find out , astronomers trained NASA ‘s Earth-orbiting NuSTAR and Chandra telescopes on Arp 299 , the enigmatic colliding galaxies expelling the radiation.”

— APOD editors, November 1, 2016

Read the full explanation on science.nasa.gov

At a glance

Date
November 1, 2016
Type
Image
Credit
Credit: Image Credit: NASA , JPL-Caltech , GSFC , Hubble , NuSTAR
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 194 words

All of November 2016 → · 2016 by month → · Full archive since 1995 →

Topics in this entry

GalaxiesBlack holes

Topics are matched from words in the title and explanation.

On this day: November 1 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

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.