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Ever wonder what it would be like to be a particle of light starting out at some distant astronomical object and then zoom (at light speed, of course) towards Earth and wind up being seen by hoards of Earthlings out looking at the stars at night? This video from ESA is an animation (and artist’s impression) showing just that. Enjoy the ride!
Credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)