Last Updated：2025/11/22
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Astronomers sent probes to study a terrestrial planet’s surface composition and search for signs of past water.
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Astronomers sent probes to study a terrestrial planet’s surface composition and search for signs of past water.
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Related words
terrestrial planet
Noun
Japanese Meaning
太陽系または他の恒星系に存在する、主に金属と岩石で構成された惑星。ガス巨星とは異なり、固体表面を持つとされる。 / 地球型惑星とも呼ばれ、地球に似た組成（岩石質、金属主体）を持つ惑星を指す。
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