Astronomy Picture of the Day · July 21, 1997

In the Center of the Keyhole Nebula

The Astronomy Picture of the Day for July 21, 1997 is “In the Center of the Keyhole Nebula,” an image. The picture is copyrighted by its creator (Credit and Copyright: D. Malin (AAO), AATB, UKS Telescope). The original explanation runs about 114 words.

From the explanation

“Stars, like people, do not always go gentle into that good night . The above Keyhole Nebula results from dying star Eta Carinae ‘s violently casting off dust and gas during its final centuries.”

— APOD editors, July 21, 1997

Read the full explanation on science.nasa.gov

At a glance

Date: July 21, 1997
Type: Image
Credit: Credit and Copyright: D. Malin (AAO), AATB, UKS Telescope
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 114 words

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

Topics in this entry

Nebulae

Topics are matched from words in the title and explanation.

On this day: July 21 in other years

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Source

Astronomy Picture of the Day, July 21, 1997 — science.nasa.gov/image-article/apod-1997-july-21-in-the-center-of-the-keyhole-nebula

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.