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VLBA IMAGES of "Source A" in Arp 299. At left, image made in 2002 shows only two prominent objects in the field of view. A 2003 image, right, shows bright new object later confirmed as a supernova. CREDIT: Ulvestad, Neff & Teng, NRAO/AUI/NSF
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Multiwavelength Image of the colliding-galaxy pair Arp 299 using data from the VLA and Hubble Space Telescope. Here, radio emission is shown as red, infrared as green, and ultraviolet as blue. CREDIT: NRAO/AUI/NSF, STScI, NASA
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Artist's Conception of the dust-enshrouded supernova factory in Arp 299. Bright circles are the shocks from new supernova explosions. CREDIT: NASA/Walt Feimer
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