Astronomy Picture of the Day ·

A Massive Cluster In A Young Universe

The Astronomy Picture of the Day for August 21, 1998 is “A Massive Cluster In A Young Universe,” an image. It is credited to Credit: M. Donahue (STScI) et al., NASA. The original explanation runs about 149 words.

A Massive Cluster In A Young Universe
Credit: M. Donahue (STScI) et al., NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Conventional theories suggest that this cluster of galaxies should not exist . Each fuzzy spot in this false-color Hubble Space Telescope image of the central regions of a newly discovered galaxy cluster is a galaxy similar in mass to our own Milky Way .”

— APOD editors, August 21, 1998

Read the full explanation on science.nasa.gov

At a glance

Date
August 21, 1998
Type
Image
Credit
Credit: M. Donahue (STScI) et al., NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 149 words

All of August 1998 → · 1998 by month → · Full archive since 1995 →

Topics in this entry

The Milky WayGalaxiesHubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: August 21 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

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.