Preview of
Planetary Nebula NGC 2440 lithograph
PDF (648KB)
CONTENTS
- Photo taken by the Hubble Space Telescope
This image shows the colorful "last hurrah" of a star like our Sun. The star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star's remaining core.
- Facts of interest about the image
The burned-out star, one of the hottest known white dwarfs, is the white dot in the center of the image. Our Sun will eventually burn out and shroud itself with stellar debris, but not for another 5 billion years.
- Classroom activity
Included is an inquiry-based classroom activity that focuses
on the image and text.
PDF of NGC 2440
lithograph (648KB)
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