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Shapley 1: An Annular Planetary Nebula
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Shapley 1: An Annular Planetary Nebula
Credit & Copyright: D. Malin (AAO), AATB
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. This particular planetary nebula, designated Shapley 1 after the famous astronomer Harlow Shapley, has a very apparent annular ring like structure. Although some of these nebulae appear like planets on the sky (hence their name), they actually surround stars far outside our Solar System.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Russkii tekst
Based on Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: nebula - kol'ca - annular - planetary nebula - Shapley 1 - Saturn
Publikacii so slovami: nebula - kol'ca - annular - planetary nebula - Shapley 1 - Saturn
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