Astronomy Picture of the Day ·
Shapley 1: An Annular Planetary Nebula
The Astronomy Picture of the Day for December 12, 1995 is “Shapley 1: An Annular Planetary Nebula,” an image. The picture is copyrighted by its creator (Credit: Anglo-Australian Telescope photograph by David Malin Copyright: Anglo-Australian Telescope Board). The original explanation runs about 91 words.
From the explanation
“This strange structure is what can result when a normal star runs out of nuclear fuel in its core. At that time, the center condenses into a white dwarf while the outer atmospheric layers are expelled into space and appear as a planetary nebula .”
— APOD editors, December 12, 1995
Read the full explanation on science.nasa.gov
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At a glance
- Date
- December 12, 1995
- Type
- Image
- Credit
- Credit: Anglo-Australian Telescope photograph by David Malin Copyright: Anglo-Australian Telescope Board
- Copyright
- Copyrighted by the credited creator. Ask the copyright holder before reusing it.
- Explanation length
- About 91 words