noun
sample return mission
Space exploration term for a mission that collects material from a celestial body and brings it back to Earth.
はやぶさ2は小惑星リュウグウからのサンプルリターンに成功した。
Hayabusa2 succeeded in a sample return from the asteroid Ryugu.
Variant with interpunct; less common in running text.
Borrowed from English 'sample return'.