Mongolia Astronaut Stamp Intercosmos 1978-1980 Space Souvenir Sheet MNH American Independence The First Transcontinental Railroad (known

The First Transcontinental Railroad (known originally as the "Pacific Railroad" and later as the "Overland Route") was a 1

Congo Fish Marine Life Ocean Fauna Souvenir Sheet of 6 Stamps

The Sistine Madonna

which evolved from forelimbs

Mongolia Astronaut Stamp Intercosmos 1978-1980 Space Souvenir Sheet MNH American Independence The First Transcontinental Railroad (knownMongolia Astronaut Stamp Intercosmos 1978 1980 Famous People Space Souvenir Sheet of 10 MNH An astronaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. Members of the space program of Russia or the Soviet Union are referred to as cosmonauts. Although generally reserved for professional space travelers, the terms are sometimes applied to anyone who travels into space, including