Friday, September 10, 2010

Bubble Nebula

This nebula is commonly known as the bubble nebula due to its familiar bubble like shape. It is a gass shell surrounding an O-type star that is shaping it with the violent winds it produces. the star that it is shaped by is 10 to 20 times the size of our sun.The bubble nebula has a diameter of 10 light years and it is 11,300 light years away from Earth. its position in the sky is RA 23h 20m 44.40s Dec.+61degrees 11'40.80". It is close to the contellation Cassiopeia This bubble nebula may seem beautiful, however, Hubble cameras are designed so that different types and temperatures of gas show up as different colors. Sulfur hydrogen and oxygen atoms show up as blue, green, or red. Although this picture of  the bubble nebula is accurate, it is not how the human eye would see it naturally.

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