Pulses from over 100 rapidly spinning neutron stars were timed to spot a phenomenon theorized by Einstein.
in Research in Astronomy and Astrophysics, and the PPTA’s findings were published in The Astrophysical Journal Letters and Publications of the Astronomical Society of Australia.
“Right now, we’re seeing a signal that is basically the same across the whole sky. As our sensitivity increases, we will start to see how the signal is distributed across the sky,” said Joseph Simon, an astronomer at the University of Colorado Boulder and a member of the NANOGrav collaboration, in an email to Gizmodo.The distribution of the signal would reveal hotspots of the background, or regions where gravitational wave background sources are particularly noisy.
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