Last Updated：2025/11/28

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

A hypothetical planet sharing an orbit with the earth, but on the opposite side of the sun.

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counter-earth

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Source Word

counter-earth

no-plural

A hypothetical planet sharing an orbit with the earth, but on the opposite side of the sun.

Japanese Meaning

太陽の反対側に位置し、地球と同じ軌道を共有すると仮定される架空の惑星

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Google Translation / DeepL Translation

いくつかのSF作家は、地球と同じ軌道を共有しながら太陽の反対側に隠れているとされる仮説上の惑星を想像してきた。

Sense（1）

A hypothetical planet sharing an orbit with the earth, but on the opposite side of the sun.

To the same period may perhaps belong the theory that the comet is a separate planet; this eighth planet might serve, when the counter-earth had been discarded, to maintain the number ten in regard to the heavenly bodies.

Google Translation / DeepL Translation

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