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A supernova remnant in the constellation Cygnus. The Veil Nebula (eastern & western) are the brightest remains of what was once a star 20 times more massive than our Sun, which exploded some 8,000 years ago as a super nova. Its fast-moving blast wave is crashing into a wall of cool, sense interstellar gas, exciting it to glow.
A supernova remnant in the constellation Cygnus. The Veil Nebula (eastern & western) are the brightest remains of what was once a star 20 times more massive than our Sun, which exploded some 8,000 years ago as a super nova. Its fast-moving blast wave is crashing into a wall of cool, sense interstellar gas, exciting it to glow.