On This Day In History
On This Day In History: Supernova Observed In The Constellation Cassiopeia Was Recorded – On August 4, 1181
| August 4, 2016
MessageToEagle.com – On August 4, 1181, a supernova was seen in the constellation Cassiopeia. Chinese and Japanese astronomers observed this supernova first on August 4 and then on
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