惑わく星せい探たん査さ

noun

planetary exploration

Refers to the scientific exploration of planets, including flybys, orbiters, landers, and rovers. Common in space science and astronomy contexts.

• NASAは火か星せいの惑わく星せい探たん査さを続つづけている。

  NASA continues planetary exploration of Mars.

• 惑わく星せい探たん査さの歴れき史しは宇う宙ちゅう開かい発はつの重じゅう要ような一いち部ぶだ。

  The history of planetary exploration is an important part of space development.