SN1572, red in upper left corner of photo. Courtesy Wikimedia: https://en.m.wikipedia.org/wiki/SN_1572

This day in #history, 1572: #Astronomer #TychoBrahe observes the #Supernova of now #SN1572, one of eight visible to the naked eye in historical records.

//_Topic Tags_//
#SpaceExploration #Renaissance