スプートニク

noun

Sputnik

Refers to the Soviet artificial satellite program, especially the first satellite launched in 1957. Often used in historical or space-related contexts.

from Russian

• スプートニクの打うち上あげは宇う宙ちゅう開かい発はつ競きょう争そうの始はじまりだった。

  The launch of Sputnik was the beginning of the space race.