inner planet
Frequency: 6.24.8 per million words
Refers to planets closer to the sun, like Mercury, Venus, Earth, and Mars.
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Examples (10)
- The four inner planets are known for their rocky surfaces.
- Mercury is the smallest of the inner planets.
- Scientists study the inner planets to understand terrestrial formation.
- Earth is often considered the most habitable of the inner planets.
- The orbital periods of the inner planets are relatively short.
- Spacecraft have explored several inner planets in our solar system.
- Venus is a scorching hot inner planet with a thick atmosphere.
- Mars, the red inner planet, has been a target for many missions.
- Compared to gas giants, inner planets are much smaller in size.
- The inner planets are separated from the outer ones by the asteroid belt.