October 17, 1604 (416 years ago): Kepler's Supernova is observed in the constellation of Ophiuchus.
#backintime #otd #1600s #kepler #history
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October 17, 1604 (416 years ago): Kepler's Supernova is observed in the constellation of Ophiuchus.
#backintime #otd #1600s #kepler #history