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About This Image
To mark Hubble's 26th birthday, astronomers captured this party balloon-like sphere of gas being blown into space by a super-hot, massive star. The Bubble Nebula, or NGC 7635, is caused by hot gas escaping into space from a star 45 times more massive than the Sun.Learn more on the Hubble Heritage website Get supporting picture information including original images, caption and facts, and astronomer biographies. Learn more in NewsCenter HubbleSite's NewsCenter is the place to find the story behind this image, along with its original news release and all related images.