
Cosmic Signal May Be Echo from Parallel Universe
A 2019 gravitational wave signal, GW190521, may have been an echo from a black hole merger in a parallel universe, a new scientific paper suggests.
#Gravitational waves#Black holes#Astrophysics
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A 2019 gravitational wave signal, GW190521, may have been an echo from a black hole merger in a parallel universe, a new scientific paper suggests.