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

"What's so exciting is that we're seeing a preview of what will become a very normal planetary system," says John Livingston, the study's lead author from the Astrobiology Center in Tokyo, Japan.

From Science Daily • Jan. 31, 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

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

This alone makes it extremely anomalous; it means that our planetary system consists of four rocky inner planets, four gassy outer giants, and a tiny, solitary iceball.

From "A Short History of Nearly Everything" by Bill Bryson