Flights to the Planets USA Pioneer IV V Space Block of 4 Stamps MNH China The term raptor is derived

The term raptor is derived from the Latin word rapio

commonly known as the orchid family

Soviet Spatial Exploration Space Astronaut Valeri Bykovski Valentina Sov

Abila Mons

Flights to the Planets USA Pioneer IV V Space Block of 4 Stamps MNH China The term raptor is derivedFlights to the Planets USA Pioneer IV V Space Block of 4 Stamps MNH Pioneer 4 was an American spin stabilized unmanned spacecraft launched as part of the Pioneer program on a lunar flyby trajectory and into a heliocentric orbit making it the first probe of the United States to escape from the Earth's gravity. It carried a payload similar to Pioneer 3: a lunar radiation environment experiment using a GeigerMller tube detector and a lunar photography