Astronomy Picture of the Day ·
MyCn18: An Hourglass Nebula
The Astronomy Picture of the Day for September 14, 1997 is “MyCn18: An Hourglass Nebula,” an image. It is credited to Credit: R. Sahai and J. Trauger (JPL), WFPC2, NASA. The original explanation runs about 126 words.
From the explanation
“The sands of time are running out for the central star of this hourglass-shaped planetary nebula . With its nuclear fuel exhausted, this brief, spectacular, closing phase of a Sun-like star’s life occurs as its outer layers are ejected – its core becoming a cooling, fading white dwarf .”
— APOD editors, September 14, 1997
Read the full explanation on science.nasa.gov
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At a glance
- Date
- September 14, 1997
- Type
- Image
- Credit
- Credit: R. Sahai and J. Trauger (JPL), WFPC2, NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 126 words