Astronomy Picture of the Day · July 22, 1999

Cosmic Collisions in a Galaxy Cluster

The Astronomy Picture of the Day for July 22, 1999 is “Cosmic Collisions in a Galaxy Cluster,” an image. It is credited to Credit: P. van Dokkum, M. Franx (U. Groningen/ U. Leiden), ESA, NASA. The original explanation runs about 130 words.

From the explanation

“Hundreds of galaxies appear as faint smudges of light in this Hubble Space Telescope picture of galaxy cluster MS1054-03. Eight billion light-years away , the cluster is among the most distant known clusters of galaxies and is now reported to contain the largest number of colliding galaxies ever found in a cluster.”

— APOD editors, July 22, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: July 22, 1999
Type: Image
Credit: Credit: P. van Dokkum, M. Franx (U. Groningen/ U. Leiden), ESA, NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 130 words

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Topics in this entry

Galaxies Hubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: July 22 in other years

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Source

Astronomy Picture of the Day, July 22, 1999 — science.nasa.gov/image-article/apod-1999-july-22-cosmic-collisions-in-a-galaxy-cluster

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.