Cosmic Radio Pulses Probe Hidden Matter Around Galaxies - Caltech

Caltech researchers show that "fast radio bursts" are slowed down by giant unseen halos around nearby galaxies

Powerful radio pulses originating deep in the cosmos can be used to study hidden pools of gas cocooning nearby galaxies, according to a new study appearing in the journal Nature Astronomy. So-called… [+3820 chars]

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