NASA says NGC 6872 is the largest spiral galaxy ever discovered - io9
URL: http://io9.com/5975111/nasa-says-ngc-6872-is-the-largest-spiral-galaxy-ever-discovered-%2B-ready
Submitted: Sat Jan 12 2013
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CT: UFOSeek News 2013: NASA says NGC 6872 is the largest spiral galaxy ever discovered - io9
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NASA says NGC 6872 is the largest spiral galaxy ever discovered