NGC246 (Skull Nebula) Wall Art including Frame PopSocket The orange-colored echoes further out

The orange-colored echoes further out from the central remnant are from interstellar dust that was heated by the supernova flash centuries after the original explosion

the central bright cloud of dust is the blast wave moving through interstellar space heating up dust as it goes

and the OPAL Team

Credit: NASA/ESA

NGC246 (Skull Nebula) Wall Art including Frame PopSocket The orange-colored echoes further outCaptured in astounding detail by ESOs Very Large Telescope (VLT), the eerie Skull Nebula is showcased in this new image in beautiful pink and red tones. This planetary nebula, also known as NGC 246, is the first known to be associated with a pair of closely bound stars orbited by a third outer star. Credit: ESO