Astronomy Picture of the Day ·

Cas A Supernova Remnant in X-Rays

The Astronomy Picture of the Day for August 24, 2002 is “Cas A Supernova Remnant in X-Rays,” an image. It is credited to Credit: John Hughes et al. ( Rutgers ), NASA / CXC / SAO. The original explanation runs about 147 words.

Cas A Supernova Remnant in X-Rays
Credit: John Hughes et al. ( Rutgers ), NASA / CXC / SAO Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“The complex shell of a star seen to explode 300 years ago is helping astronomers to understand how that star exploded. This Chandra Observatory image of supernova remnant Cassiopeia A (Cas A) shows unprecedented detail in three x-ray colors.”

— APOD editors, August 24, 2002

Read the full explanation on science.nasa.gov

At a glance

Date
August 24, 2002
Type
Image
Credit
Credit: John Hughes et al. ( Rutgers ), NASA / CXC / SAO
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 147 words

All of August 2002 → · 2002 by month → · Full archive since 1995 →

Topics in this entry

Supernovae

Topics are matched from words in the title and explanation.

On this day: August 24 in other years

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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.