Spaceflight (or space flight) applies astronautics to fly spacecraft into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in orbit around Earth and includes space probes for flights beyond Earth orbit. Such spaceflight operates either by telerobotic or autonomous control. 

Spaceflight is used for placing in Earth's orbit communications satellites, reconnaissance satellites, Earth observation satellites, space exploration such as space observatories and space probes, or even space tourism.

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