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Astronomers' New Tool May Help Solve Intergalactic Mystery

CHIME Pathfinder prototype radio telescope
Keith Vanderlinde
/
Dunlap Institute
CHIME Pathfinder prototype radio telescope

Copyright 2019 NPR

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.