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Office of News and Information
Johns Hopkins University
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Phone: (410) 516-7160
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October 15, 2002
CONTACT: Michael Purdy
(410) 516-7906, mcp@jhu.edu
Doug Isbell
National Optical Astronomy Observatory
(520) 318-8214, disbell@noao.edu

Galaxy Merger Leaves Behind Telltale Blue Arc

Visible in the upper right corner of this image of the Centaurus A Galaxy is an arc of blue stars left behind when Centaurus A pulled in a smaller galaxy and tore it apart. Astronomers say the scar from this cosmic collision is fairly new and thousands of light years long.
Photo by Eric Peng/JHU/NOAO

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