Astronomers Use a Neutron Star Merger to Measure Cosmic Expansion

An artist's conception of the GW170817 afterglow being observed by an antenna of the Very Large Array. Credit: Carl Knox/OzGrav/SUT

Swinburne University of Technology and CSIRO have combined telescope and gravitational wave data in an attempt to unlock the true value of the Universe’s expansion. Existing measurements of the Hubble Constant have split cosmologists for more than a decade

Universe Today
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