http://apod.nasa.gov/apod/ap141002.html
This APOD is named the bubble nebula.This picture was cataloged as NGC 7635 its also know simply as The Bubble Nebula.The diameter bubble offers evidence of violent processes at work. Below the bubble you see the a O star. An 0 star is several hundred thousand times more luminous and around 45 times more massive than the sun. The intense radiation of the sun blasts structures
of glowing gas against dense material surrounding the molecular cloud. This bubble lies 11,000 light years away towards the constellation called Cassiopea. Three color image is depicted of hydrogen, oxygen emissions were used for red and blue to great the green channel.This picture captures the immense space of space. . Also it amazes me how far away this bubble is. Overall this is one of the coolest pictures of have seen on the APOD site.
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