planetary system

Example Sentences

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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

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

The collisions occurred in the planetary system surrounding the star Fomalhaut, located about 25 light-years from Earth in the Piscis Austrinus constellation.

From Science Daily • Jan. 1, 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

A planetary system around Barnard’s Star may well have been discovered, but an unambiguous demonstration awaits further study.

From "Cosmos" by Carl Sagan