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.

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

"These collisions that produce dust clouds happen in every planetary system," he said.

From Science Daily • Jan. 7, 2026

For a hot Jupiter to have formed through high-eccentricity migration, this circularization time must be shorter than the age of its planetary system.

From Science Daily • Dec. 15, 2025

But that doesn’t mean scientists aren't making do with what they have, while revealing how truly weird this planetary system is.

From Salon • Dec. 1, 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