GoKawiilGravitational lensing may explain LIGO's puzzling oversized black hole merger
Astronomers revisited a gravitational-wave detection that appeared to show an unusually massive black hole merger, one that seemed to defy current models of stellar evolution. New analysis suggests the signal may have been distorted by gravitational lensing, an intervening massive object bending and magnifying the waves, making the black holes appear far larger than they actually are.