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Burst of star formation drives galactic bubble
August 20, 2001
NASA’s Hubble Space Telescope captured images of a lumpy bubble of hot gas rising from a cauldron of glowing matter in the distant galaxy NGC 3079. Astronomers suspect the bubble is being blown by "winds," or high-speed streams of particles, released during a burst of star formation. This picture shows the bubble in the center of the galaxy’s disk. The structure is more than 3,000 light-years wide and rises 3,500 light-years above the galaxy’s disk. Galaxy NGC 3079 is located 50 million light-years from Earth in the constellation Ursa Major.
image: NASA





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