Stunning image of Sharpless 2-308, a 60 light-year diameter nebula in Canis Major. Created by winds from a massive Wolf-Rayet star nearing supernova, this cosmic bubble glows with ionized oxygen, captured in a breathtaking blue hue. The central, bright star is the source of this stunning celestial phenomenon.

Astronomy Picture from 20/12/2016

Sharpless 308: Star Bubble

Source: https://apod.nasa.gov/apod/ap161220.html


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