noun
The ordinary astronomical term for a planet, such as Earth, Mars, or Jupiter.
地球は太陽の周りを回る惑星です。
Earth is a planet that orbits the Sun.
木星は太陽系で最も大
Jupiter is the largest planet in the solar system.
noun
dark horse; surprise contender
Figurative use for an unexpected strong contender, especially in sports, contests, or elections. Expressions such as 台風の目 may be more common in everyday commentary.
この若いチームは今大会の惑星として注目されている。
This young team is attracting attention as the dark horse of the tournament.
無名の候補者が選挙戦の惑星になった。
An unknown candidate became the surprise contender in the election race.