Phone: (434) 924-4903
Fax: (434) 924-3104
Office Hours: MWTh 1:30 p.m. - 2:30 p.m.
Office: 238 Astronomy Building
Department of Astronomy
University of Virginia
P.O. Box 400325
530 McCormick Road
Charlottesville, VA 22904-4325


NGC 6338 Group Merger
NGC 6338 Merger

Two groups of galaxies are slamming into one another at a speed of about 4 million miles per hour in this combined X-ray (Chandra) and optical (APO) image.  The colliding groups will eventually merge and form a single cluster of galaxies; these are the largest objects in the Universe. 

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