(たいようけい)

たいようけい
noun
solar system
academicscience
1. solar system
The sun and all the celestial bodies that orbit it, including the eight planets, their moons, asteroids, and comets.
太陽系(たいようけい)(はち)惑星(わくせい)ある
There are eight planets in the solar system.
The space probe is heading beyond the solar system.
太陽系(たいようけい)誕生(たんじょう)した(やく)46億年前(おくねんまえ)(かんが)えられている
It is believed that the solar system was born approximately 4.6 billion years ago.

太陽系(たいようけい) is the solar system — our sun and all the celestial bodies that orbit it.

Forms

太陽(たいよう) (sun) + (けい) (system). The (けい) suffix creates system-related compounds:

Common collocations

The eight planets

水星(すいせい)金星(きんせい)地球(ちきゅう)火星(かせい)木星(もくせい)土星(どせい)天王星(てんのうせい)海王星(かいおうせい)