as3 (*) An incredible modern published collectors 5.5" x 3.5" postcard showing the Supernova Blast Wave and explains that eleven thousand years ago Cassiopedia shrunk down into a Neutron Star and the stars exterior shell exploded as it went Supernova and this incredible souvenir has full details of the photo on reverse boasting it to be one of the brighest radio sources in the sky making this a specialist souvenir for any astronomy collector unused and mint
