Astronomy Picture of the Day · June 15, 2005

Cassiopeia A Light Echoes in Infrared

The Astronomy Picture of the Day for June 15, 2005 is “Cassiopeia A Light Echoes in Infrared,” an image. It is credited to Credit: O. Krause ( Steward Obs. ) et al ., SSC , JPL , Caltech , NASA. The original explanation runs about 151 words.

From the explanation

“Why is the image of Cassiopeia A changing? Two images of the nearby supernova remnant taken a year apart in infrared light appear to show outward motions at tremendous speeds.”

— APOD editors, June 15, 2005

Read the full explanation on science.nasa.gov

At a glance

Date: June 15, 2005
Type: Image
Credit: Credit: O. Krause ( Steward Obs. ) et al ., SSC , JPL , Caltech , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 151 words

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Topics in this entry

Supernovae

Topics are matched from words in the title and explanation.

On this day: June 15 in other years

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Source

Astronomy Picture of the Day, June 15, 2005 — science.nasa.gov/image-article/apod-2005-june-15-cassiopeia-a-light-echoes-in-infrared

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.