Astronomy Picture of the Day ·

The Cygnus Loop

The Astronomy Picture of the Day for August 3, 1997 is “The Cygnus Loop,” an image. It is credited to Credit: J. Hester (ASU), NASA. The original explanation runs about 109 words.

The Cygnus Loop
Credit: J. Hester (ASU), NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“15,000 years ago a star in the constellation of Cygnus exploded — the shockwave from this supernova explosion is still expanding into interstellar space!”

— APOD editors, August 3, 1997

Read the full explanation on science.nasa.gov

At a glance

Date
August 3, 1997
Type
Image
Credit
Credit: J. Hester (ASU), NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 109 words

All of August 1997 → · 1997 by month → · Full archive since 1995 →

Topics in this entry

NebulaeSupernovae

Topics are matched from words in the title and explanation.

On this day: August 3 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.