NGC 2440: Cocoon of a New White Dwarf
Credit: H. Bond (STScI), R. Ciardullo (PSU), WFPC2, HST, NASA
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! The a…
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05-01-23 23:54