NASAのインスタグラム(nasa) - 7月13日 22時25分

'Frankenstein' Galaxy Surprises Astronomers: About 250 million light-years away, there's a neighborhood of our universe that astronomers had considered quiet and unremarkable. But now, scientists have uncovered an enormous, bizarre galaxy possibly formed from the parts of other galaxies. Previously thought to be old, small and typical, scientists have discovered that the galaxy is 10 times bigger than they thought. Unlike most galaxies, its insides are younger than its outsides.

By combining optical light, ultraviolet, deep optical data, and low-density hydrogen gas (shown in green at right), scientists discovered that this galaxy is gigantic.

Credits: NASA/JPL/Caltech/SDSS/NRAO/L. Hagen and M. Seibert

#nasa #space #nasabeyond #galaxy #astronomy #frankenstein #science

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