Over a period of two and a half years, NASAs Hubble Space Telescope observed the «light echo» of supernova SN 2014J in galaxy M82, located 11.4 million light-years away.

Read the web story – www.nasa.gov/image-feature/goddard/2017/hubble-shows-light-echo-expanding-from-exploded-star

Credit: NASA’s Goddard Space Flight Center/Katrina Jackson
Music credit: «Little Effort» by Christopher Franke [BMI]; Killer Tracks [BMI]; Killer Tracks Production Music

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