LIGO Gravitational Waves
Scientificamerican.com with some fascinating reporting about LIGO and gravitational waves.
A visualization of all 10 black-hole mergers (and their gravitational-wave signals) announced by the LIGO collaboration. According to a new study, two mergers depicted in the bottom row — GW170809 and GW170814 — may actually be twin images of a single event, split and magnified by the gravitational effects […]
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