Astronomy Picture of the Day · October 31, 2000

The Perseus Cluster's X-Ray Skull

The Astronomy Picture of the Day for October 31, 2000 is “The Perseus Cluster's X-Ray Skull,” an image. It is credited to Credit: A. Fabian ( IoA Cambridge ) et al., NASA. The original explanation runs about 213 words.

From the explanation

“This haunting image from the orbiting Chandra Observatory reveals the Perseus Cluster of Galaxies in x-rays , photons with a thousand or more times the energy of visible light. Three hundred twenty million light-years distant, the Perseus Cluster contains thousands of galaxies, but none of them are seen here.”

— APOD editors, October 31, 2000

Read the full explanation on science.nasa.gov

At a glance

Date: October 31, 2000
Type: Image
Credit: Credit: A. Fabian ( IoA Cambridge ) et al., NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 213 words

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Topics in this entry

Galaxies Black holes

Topics are matched from words in the title and explanation.

On this day: October 31 in other years

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Source

Astronomy Picture of the Day, October 31, 2000 — science.nasa.gov/image-article/apod-2000-october-31-the-perseus-cluster-s-x-ray-skull

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.