The Final Frontier

14 posts

A subtle symphony of ripples in spacetime – astronomers use dead stars to measure gravitational waves produced by ancient black holes

by ProPublica in The Final Frontier

Chris Impey, University of Arizona An international team of astronomers has detected a faint signal of gravitational waves reverberating through the universe. By using dead stars as a giant network of gravitational wave detectors, the collaboration – called NANOGrav – was able to measure a low-frequency hum from a chorus of ripples...

Back to the Moon

by Jeff Koterba in Editorial Cartoons

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