Improved Method for Estimating the Hubble Constant with Gravitational Waves

May 28, 2024 • by Marc Airhart

There’s a big debate in cosmology about how fast the universe is currently expanding.

Artist illustration of two blue-white objects colliding in space with jets of what material spraying outward

The collision of two neutron stars in 2017, seen in an artist's rendering, created both gravitational waves and electromagnetic emissions. Illustration credit: Robin Dienel/Carnegie Institution for Science.


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