Astronomy Picture of the Day ·
NGC 2440: Cocoon of a New White Dwarf
The Astronomy Picture of the Day for July 30, 2000 is “NGC 2440: Cocoon of a New White Dwarf,” an image. It is credited to Credit: H. Bond ( STScI ), R. Ciardullo ( PSU ), WFPC2 , HST , NASA. The original explanation runs about 105 words.
From the explanation
“Like a butterfly , a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all!”
— APOD editors, July 30, 2000
Read the full explanation on science.nasa.gov
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At a glance
- Date
- July 30, 2000
- Type
- Image
- Credit
- Credit: H. Bond ( STScI ), R. Ciardullo ( PSU ), WFPC2 , HST , NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 105 words