Observations with the Experiment to Detect the Global Epoch of Reionization Signature (EDGES) low-band instruments, which began in August 2015, were used to detect the absorption profile. Each of the ...
The molecular gas outflow from the quasar includes hydroxyl (OH) (top). Due to the motion of the molecular gas toward the observer, the OH peak in the absorption spectrum (bottom, dashed blue line) ...
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