This image made by the Hubble Space Telescope and released by NASA Thursday, April 24, 2008 shows the NGC 6670 pair of overlapping edge-on galaxies. Scientists believe that NGC 6670 has already experienced at least one close encounter and is now in the early stages of a second. The nuclei of the two galaxies are approximately 50,000 light-years apart. NGC 6670 glows in the infrared with more than a hundred billion times the luminosity of our Sun and is thought to be entering a starburst phase. The pair is located some 400 million light-years away from Earth.
(AP Photo/NASA, ESA)
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