Astronomers Identify Mysterious Explosion Of Light First Seen Back In 1437
Korea , March 11 , 1437 . Back then , it was a united country under the formula of the Joseon Dynasty , and paper currency had just been invented on the peninsula . On that very eve , though , Korean stargazers find an plosion of luminousness that they suspected may have been the parturition of a new star within our galaxy . For 14 mean solar day , this young light adorned the night sky , until it vanished without a vestige ....