Credit: A. Angelich (NRAO/AUI/NSF)

Astronomy

Time-Travel Gaze Reveals the Shape of Ancient Galaxies

Looking deep into the universe also means looking back in time, and these "young" Milky Way-like galaxies are about 12 billion light-years away from Earth.

Published On 03/29/2017
6:37 AM EDT
Composite ALMA and optical image of a young Milky Way-like galaxy 12 billion light-years away and a background quasar 12.5 billion light-years away. Credit: M. Neeleman/J. Xavier Prochaska/Keck Observatory/ALMA (ESO/NAOJ/NRAO)