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

"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

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

From Science Daily • Jan. 7, 2026

"Super puff planets are fairly rare, and when they do occur, they tend to be the only one in a planetary system," Libby-Roberts said.

From Science Daily • Dec. 3, 2024

Aristarchus was the first person to hold that the Sun rather than the Earth is at the center of the planetary system, that all the planets go around the Sun rather than the Earth.

From "Cosmos" by Carl Sagan