space probe
Technical term used in astronomy and space exploration. Refers to unmanned spacecraft designed to explore celestial bodies.
NASA's space probe landed on Mars.
This probe is scheduled to investigate Jupiter's atmosphere.
ローバー is a rover that moves on the surface, while 探査機 can be any type of space probe, including orbiters and landers.
space probe
planetary probe; interplanetary explorer; rover
Mars probe; Mars rover; Mars lander
unmanned probe; uncrewed spacecraft
Compound of 探査 (tansa, 'exploration') + 機 (ki, 'machine').