radio astronomy
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A Groundbreaking Search for Alien Technology in Distant Galaxies Has Begun
A group of astronomers kicked off the first search for signals from alien technology from galaxies beyond our own using…
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Astronomers Spotted a Black Hole Casually Gliding Through Space
The host galaxy of a mobile supermassive black hole.Image: Sloan Digital Sky Survey (SDSS) Some 230 million light-years from Earth,…
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