INT observation of distant milky way type galaxy (IMAGE)

Royal Astronomical Society

INT observation of distant milky way type galaxy

Caption

The figure shows some observations conducted with the Isaac Newton Telescope in La Palma and with the UKIRT telescope in Hawaii of one of the (almost 1000) young Milky Way type galaxies in the very early Universe. The results allowed astronomers to measure where, and how many, photons were produced (indicated by the red contour lines), and then compare with those that have actually escaped (blue contour lines) these distant galaxies. The results reveal large haloes of Lyman-alpha photons that struggled to escape, while the vast majority of these photons never make it out at all.

Credit

J. Matthee/D. Sobral

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