岩石惑星
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Meanings
1
rocky planet; terrestrial planet
Astronomical term for a planet with a solid rocky surface, such as Earth or Mars. Synonymous with 地球型惑星 (ちきゅうがたわくせい).
See also: 地球型惑星 (ちきゅうがたわくせい)
The rocky planets in the solar system include Mercury, Venus, Earth, and Mars.