Go to todayilearned by TIL: The first quantitative estimate of the speed of light was done in 1676 by timing eclipses of Jupiter's Io. amnh. #ifttt #reddit #til

TIL: The first quantitative estimate of the speed of light was done in 1676 by timing eclipses of Jupiter's Io. Go to todayilearned by TIL: The first quantitative estimate of the speed of light was done in 1676 by timing eclipses of Jupiter's Io. amnh. Tags: ifttt, reddit, til via Pocket https://ift.tt/sU1vlVH April 11, 2023 at 07:49AM