Stellar Winds Have Started Blowing From A Strange "Guest Star" Lost for 840 Years
In the year 1181 , a new whizz appeared in the sky in the constellation of Cassiopeia . It was a “ guest star ” , what we now call a supernova . For 180 mean solar day it was bright enough to be seen before disappearing , lost for century . When it wasrediscovered in 2021 , uranologist were able-bodied to work out what happened and now thanks to Modern enquiry it is clear that it was something quite singular ....