space probe

noun

1. Aerospace. an unmanned spacecraft designed to explore the solar system and transmit data back to earth.

space probe

noun

1. 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

Word History and Origins

Origin of space probe¹

First recorded in 1955–60

Related Words

• spy satellite