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

Webb's powerful instruments allow scientists to zoom deep into the Helix Nebula, offering a glimpse of what could eventually happen to our own Sun and planetary system.

From Science Daily • Jan. 26, 2026

"This is a new phenomenon, a point source that appears in a planetary system and then over 10 years or more slowly disappears," Kalas said.

From Science Daily • Jan. 7, 2026

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