Astronomy Picture of the Day · September 8, 1998

A Cluster Too Far

The Astronomy Picture of the Day for September 8, 1998 is “A Cluster Too Far,” an image. It is credited to Credit: E. J. Ostrander et al. (Carnegie Mellon U.), WFPC2, HST, NASA. The original explanation runs about 112 words.

From the explanation

“Why is this galaxy cluster so red? Nearby clusters have galaxies with colors that are much more yellow and blue.”

— APOD editors, September 8, 1998

Read the full explanation on science.nasa.gov

At a glance

Date: September 8, 1998
Type: Image
Credit: Credit: E. J. Ostrander et al. (Carnegie Mellon U.), WFPC2, HST, NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 112 words