dwarf planet
noun
: a celestial body that orbits the sun and has a spherical shape but is not large enough to disturb other objects from its orbit
Examples of dwarf planet in a Sentence
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But new research suggests that billions of years ago, this dwarf planet may have harbored the right ingredients to support simple microbial life.
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Sharmila Kuthunur, Space.com, 26 Aug. 2025
Three planets have been found around the dwarf planet Proxima Centauri, by far the smallest and dimmest of the stellar threesome.
—Eric MacK, Forbes.com, 7 Aug. 2025
As for the second astrological transit, the transformational dwarf planet Pluto is squaring the needle Pluto, and also making a square.
—Lisa Stardust, People.com, 3 July 2025
It was renamed a dwarf planet in 2006 by the International Astronomical Union because of its size and that other planets may cross its orbit.
—Sara Novak, Discover Magazine, 23 June 2025
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Sharmila Kuthunur, Space.com, 26 Aug. 2025
Three planets have been found around the dwarf planet Proxima Centauri, by far the smallest and dimmest of the stellar threesome.
—Eric MacK, Forbes.com, 7 Aug. 2025
As for the second astrological transit, the transformational dwarf planet Pluto is squaring the needle Pluto, and also making a square.
—Lisa Stardust, People.com, 3 July 2025
It was renamed a dwarf planet in 2006 by the International Astronomical Union because of its size and that other planets may cross its orbit.
—Sara Novak, Discover Magazine, 23 June 2025
See All Example Sentences for dwarf planet
Cite this Entry
“Dwarf planet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dwarf%20planet. Accessed 9 Sep. 2025.
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