Galaxy UGC 1382 Before and After the Research (IMAGE)
Caption
At left, in optical light, UGC 1382 appears to be a simple elliptical galaxy. But spiral arms emerged when astronomers incorporated ultraviolet and deep optical data (middle). Combining that with a view of low-density hydrogen gas (shown in green at right), scientists discovered that UGC 1382 is gigantic.
Credit
NASA/JPL/Caltech/SDSS/NRAO/L. Hagen and M. Seibert
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