space probe (redirected from Unmanned spaceflight)

space probe

n.

A spacecraft carrying instruments intended for use in exploration of the physical properties of outer space or celestial bodies other than Earth.

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space probe

n

(Astronautics) a vehicle, such as a satellite, equipped to obtain scientific information, normally transmitted back to earth by radio, about the atmosphere, surface, and temperature of a planet, conditions in space, etc.

Thesaurus

Noun

1.

space probe - a rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation guided missile - a rocket-propelled missile whose path can be controlled during flight either by radio signals or by internal homing devices telemeter - any scientific instrument for observing events at a distance and transmitting the information back to the observer