space probe
noun
Aerospace.
an unmanned spacecraft designed to explore the solar system and transmit data back to earth.
Also called
probe.
Origin of space probe
First recorded in 1955–60
Words nearby space probe
British Dictionary definitions for space probe
space probe
noun
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