Gravitational waves have revealed the first unevenly sized black hole pair

One big black hole and one little one partnered up, LIGO and Virgo detections show

illustration of unequal-sized black holes

A black hole orbiting with a much smaller partner stirred up gravitational waves (illustrated by colors in this simulation) that scientists with the LIGO and Virgo experiments detected on Earth.

© N. Fischer, H. Pfeiffer, A. Buonanno/Max Planck Institute for Gravitational Physics, Simulating eXtreme Spacetimes (SXS) project

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