Astronomy Picture of the Day · February 15, 1997

Shapley 1: An Annular Planetary Nebula

The Astronomy Picture of the Day for February 15, 1997 is “Shapley 1: An Annular Planetary Nebula,” an image. The picture is copyrighted by its creator (Shapley 1: An Annular Planetary Nebula Credit and Copyright: D. Malin (AAO), AATB). The original explanation runs about 83 words.

From the explanation

“Explanation : What happens when a star runs out of nuclear fuel ? The center condenses into a white dwarf while the outer atmospheric layers are expelled into space and appear as a planetary nebula .”

— APOD editors, February 15, 1997

Read the full explanation on science.nasa.gov

At a glance

Date: February 15, 1997
Type: Image
Credit: Credit: Shapley 1: An Annular Planetary Nebula Credit and Copyright: D. Malin (AAO), AATB
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 83 words

All of February 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: February 15 in other years

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Source

Astronomy Picture of the Day, February 15, 1997 — science.nasa.gov/image-article/apod-1997-february-15-shapley-1-an-annular-planetary-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.