Slide Images: VLBA Supernova; Supernova-2002 and 2003
(1) Artist's Conception of the dust-enshrouded supernova factory in Arp 299. Bright circles are the shocks from new supernova explosions.
(2) 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.

Image Credit : NASA/Walt Feimer, Ulvestad, Neff & Teng, NRAO/AUI/NSF; Website: http://www.nrao.edu/pr/2003/arp299/