Earliest galaxies got the green light

Emission of key color wavelength points to superhot first generation stars

NGC 6826

GREEN GALAXIES Galaxies in the early universe emitted lots of green light, such as seen in this nebula (NGC 6826) in the Milky Way.

B. Balick, J. Alexander, A. Hajian, Y. Terzian, M. Perinotto, P. Patriarchi and NASA

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