Tematica Meteoriti, comete, fenomeni astronomici

comet Hale-Bopp

comet Hale-Bopp


Stato: Guinea

Anno: 1998

Notizie: In 1998 the Republic of Guinea may have issued a miniature sheet showing comet Hale-Bopp which graced the night skies in 1997, a Styracosaurus, and a meteorite. Styracosaurus, whose name means "spiked reptile", was a ceratopsian dinosaur of the late Cretaceous period. Styracosaurus possessed a large nose horn and notable spikes on its frill.