NASA / ESA / JPL-CALTECH / SCIENCE PHOTO LIBRARY NASA / ESA / JPL-CALTECH / SCIENCE PHOTO LIBRARY
Pulsating object LRLL 54361. Computer illustration of two young binary stars that may be the source of mysterious clock-like bursts of light from an object called LRLL 54361 that lies inside the star-forming region IC 348, located 950 light-years from Earth. Astronomers propose that the flashes are due to material in a circumstellar disk suddenly being dumped onto the growing young stars and unleashing a blast of radiation each time the stars get close to each other in their orbit.
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