Satellite Space ITU South Arabia Block of 4 Stamps MNH Rowing Madagascar Leonardo Da Vinci Painting

Madagascar Leonardo Da Vinci Painting Art Souvenir Sheet of 4 Stamps Mint NH

Compared with airbreathing engines

one of England's most prestigious secondary schools

Croatia Airplane Transportation Individual Stamp Mint NH

Rugby eventually split into two sports in 1895 when twenty-one clubs split from the original Rugby Football Union

Satellite Space ITU South Arabia Block of 4 Stamps MNH Rowing Madagascar Leonardo Da Vinci PaintingSatellite Space ITU South Arabia Block of 4 Stamps MNH In the context of spaceflight, a satellite is an object that has been intentionally placed into orbit. These objects are called artificial satellites to distinguish them from natural satellites such as Earth's Moon. On 4 October 1957 the Soviet Union launched the world's first artificial satellite, Sputnik 1. Since then, about 8,900 satellites from more than 40 countries have been launched.