The Fading Ghost of a Long-Dead Star

Pasadena CA (JPL) Aug 03, 2018

Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA’s Spitzer Space Telescope.

A supernova “remnant” refers to the collective, leftover signs of an exploded star, or supernova. The red filaments in this image belong to a supernova remnant known as HBH 3 that was first observed in 1966 using radio telesco
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