satellite

人工衛星

情報の収集や送信のため、宇宙に送られて惑星の周りを回る装置。

やさしい英語で： A machine sent into space to circle a planet and collect or send information.

• The satellite sends pictures to Earth.
• A rocket launched three satellites yesterday.
• We receive television signals by satellite.

よく使う表現： weather satellite, satellite television, launch a satellite

衛星、自然衛星

月のように、より大きな天体の周りを回る自然の天体。

やさしい英語で： A natural object in space that moves around a larger object, such as a moon around a planet.

• The Moon is Earth’s natural satellite.
• Astronomers discovered another satellite of the planet.
• Jupiter has many satellites.

使い方： a satellite of something (The telescope tracked a satellite of Saturn.)

類義語： moon

よく使う表現： natural satellite, satellite of something, planetary satellite

衛星放送

地球を回る人工衛星から送られる番組を受信するテレビ放送。

やさしい英語で： A television service that receives programmes sent from equipment moving around the Earth.

• We have satellite at home.
• Does satellite offer more sports channels?
• They chose satellite because cable was unavailable.

類義語： satellite TV

よく使う表現： satellite tv, have satellite, watch satellite