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.

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

"When we detect water -- or even its faint ultraviolet echo, OH -- from an interstellar comet, we're reading a note from another planetary system," said Dennis Bodewits, professor of physics at Auburn.

From Science Daily • Feb. 11, 2026

With a mass similar to Saturn, the researchers suggest that it most likely formed within a planetary system rather than developing on its own like a small star or brown dwarf.

From Science Daily • Jan. 4, 2026

An unusual planetary system with three known ultra-low density "super-puff" planets has at least one more planet, according to new research led by researchers from Penn State and Osaka University.

From Science Daily • Dec. 3, 2024

An emerging technical civilization, after exploring its home planetary system and developing interstellar spaceflight, would slowly and tentatively begin exploring the nearby stars.

From "Cosmos" by Carl Sagan