satellite

OAO 2 Stargazer – The first successful space telescope in Earth orbit

The Orbiting Astronomical Observatory 2, launched on December 7, 1968. An Atlas-Centaur rocket launched it into a nearly circular 750-kilometre altitude Earth orbit. Data was collected in ultraviolet

Telstar – The world’s first commercial communications satellite is being exhibited in Washington D.C.

  The first two Telstar satellites were experimental and nearly identical. Telstar 1 launched on top of a Thor-Delta rocket on July 10, 1962. It successfully relayed

Voyager 2 – The “tireless” space probe travels in Outer space

A spacecraft exploring where nothing from Earth has flown before, continuing on his more-than-40-year journey since his launches, by NASA on August 20, 1977, to study the

Sputnik 1 – The full-scale replica of the world’s first satellite is being exhibited in Sydney

The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957. It orbited for three weeks before its batteries died and then orbited

COS-B satellite – The first European Space mission in low Earth orbit

The mission consisted of a satellite containing gamma-ray detectors, which was launched by NASA on behalf of the ESRO on August 9, 1975. The mission was completed

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