Astronomy Picture of the Day ·
Hickson Compact Group 40
The Astronomy Picture of the Day for February 17, 1999 is “Hickson Compact Group 40,” an image. It is credited to Credit: CISCO, Subaru 8.3-m Telescope, NAOJ. The original explanation runs about 122 words.
From the explanation
“Galaxies , like stars, frequently form groups. A group of galaxies is a system containing more than two galaxies but less than the tens or hundreds typically found in a cluster of galaxies .”
— APOD editors, February 17, 1999
Read the full explanation on science.nasa.gov
Advertisement
At a glance
- Date
- February 17, 1999
- Type
- Image
- Credit
- Credit: CISCO, Subaru 8.3-m Telescope, NAOJ
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 122 words