レーダー天てん文もん学がくレーダーてんもんがくMeanings1nounradar astronomyTechnical term for the branch of astronomy that uses radar to observe celestial bodies.レーダー天てん文もん学がくは小しょう惑わく星せいの形けい状じょうを調しらべるのに役やく立だつ。Radar astronomy is useful for investigating the shapes of asteroids.
