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White Dwarfs Stars

The planetary nebula NGC 2440 contains one of the hottest white dwarf stars known. The white dwarf can be seen as the bright dot near the picture's center.
Click on image for full size (20K JPEG)
Image courtesy of H. Bond (STSci), R. Ciardullo (PSU), WFPC2, HST, NASA.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF