
A Dead Star’s Ghostly Glow
The eerie glow of a dead star, which exploded long ago as a supernova, reveals itself in this NASA Hubble image of the Crab Nebula. But don't be fooled. The ghoulish-looking object still has a pulse. Buried at its center is the star's tell-tale heart, which beats with rhythmic precision.
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https://www.nasa.gov/image-detail/gsfc-20171208-archive-e000193orig/
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