inner planet
noun
: any of the planets Mercury, Venus, Earth, and Mars whose orbits are within the asteroid belt
Examples of inner planet in a Sentence
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This suggests that the exoplanets' orbits may have changed over time following interactions with neighboring cosmic objects, such as gas, planetesimals or a companion star, bringing the inner planet, TOI-1453 b, into an orbit much closer to its host star.
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Samantha Mathewson, Space.com, 27 Mar. 2025
This is typically true with Venus and Mercury, the two inner planets.
—Jamie Carter, Forbes, 17 Jan. 2025
This phenomenon provides the best opportunity to observe these inner planets without interference from the sun's glare.
—Daniel R. Depetris, Newsweek, 10 Jan. 2025
The timing of Jupiter's opposition is caused by the differing speeds of Earth, an inner planet 93 miles from the sun, and Jupiter, which is an outer planet 484 million miles from the sun.
—Jamie Carter, Forbes, 6 Dec. 2024
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Samantha Mathewson, Space.com, 27 Mar. 2025
This is typically true with Venus and Mercury, the two inner planets.
—Jamie Carter, Forbes, 17 Jan. 2025
This phenomenon provides the best opportunity to observe these inner planets without interference from the sun's glare.
—Daniel R. Depetris, Newsweek, 10 Jan. 2025
The timing of Jupiter's opposition is caused by the differing speeds of Earth, an inner planet 93 miles from the sun, and Jupiter, which is an outer planet 484 million miles from the sun.
—Jamie Carter, Forbes, 6 Dec. 2024
See All Example Sentences for inner planet
Cite this Entry
“Inner planet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inner%20planet. Accessed 2 May. 2025.
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