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

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

"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

The two events -- first seen in 2004 and again in 2023 -- represent the first time astronomers have directly imaged collisions between large objects in a planetary system beyond our own.

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