planetary system
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Over time, this star has drawn in rocky debris from its former planetary system, introducing calcium, lithium, and sodium into its atmosphere.
From Science Daily ● Oct. 19, 2026
The newly confirmed Beta Pictoris d raises the system's known planet count to three, making Beta Pictoris only the second planetary system known to contain at least three imaged planets.
From Science Daily ● Jul. 23, 2026
Because planets form mostly from the same material as their star, the star's composition helps shape the chemistry of the entire planetary system.
From Science Daily ● Apr. 6, 2026
An international group of astronomers has identified a faraway planetary system that calls into question one of the most widely accepted ideas about how planets take shape.
From Science Daily ● Feb. 14, 2026
Aristarchus was the first person to hold that the Sun rather than the Earth is at the center of the planetary system, that all the planets go around the Sun rather than the Earth.
From "Cosmos" by Carl Sagan
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