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 E-Mail IMAGE: Astronomers using the Hubble Space Telescope have tracked down two brief, powerful radio bursts to the spiral arms of the two galaxies shown above. The two images at left show. view more  Credit: SCIENCE: NASA, ESA, Alexandra Mannings (UC Santa Cruz), Wen-fai Fong (Northwestern) IMAGE PROCESSING: Alyssa Pagan (STScI) Astronomers using NASA s Hubble Space Telescope have traced the locations of five brief, powerful radio blasts to the spiral arms of five distant galaxies. Called fast radio bursts (FRBs), these extraordinary events generate as much energy in a thousandth of a second as the Sun does in a year. Because these transient radio pulses disappear in much less than the blink of an eye, researchers have had a hard time tracking down where they come from, much less determining what kind of object or objects is causing them. Therefore, most of the time, astronomers don t know exactly where to look.

Northwestern universityUnited statesGoddard space flight centerSunil simhaRay villardClaire andreoliAlexandra manningsUniversity of californiaResearch in astronomyNorthwestern university in evanstonSpace telescope science institute stscSpace telescope science instituteEuropean space agencyAssociation of universitiesSpace telescopeSanta cruz