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.

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

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

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

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