This isn’t an explosion, but an echo!
In this timelapse of Hubble images, a burst of light from the bizarre star V838 Monocerotis is spreading into space and reflecting off of surrounding shells of dust.
V838 Monocerotis is located about 20,000 light-years away.
Music credit: “Tale of Time,” Markus Gleissner [BMI], KTSA Publishing, Universal Production Music
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