
INSTRUCTIONS:
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Glowing knots of gas from a dying star look like they're streaking through space. The dense knots, which form in the early stages of a planetary nebula, each contain as much mass as three Earths.
Hubblesite's Newscenter is the place to find the story behind this image, along with its original news release and all related images.
Image Credit: NASA and The Hubble Heritage Team (STScI/AURA)
Acknowledgment: C.R. O'Dell (Vanderbilt University)