planetary motion

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.

The Sun contains more than 99% of the solar system's total mass, and its gravitational influence dominates planetary motion.

From Science Daily • Dec. 30, 2025

At the instant of totality, planetary motion as described by Newton and Kepler is not a matter only for scientists and our imaginations.

From Los Angeles Times • Apr. 6, 2024

In 1618, German astronomer Johannes Kepler devised his third law of planetary motion.

From Washington Times • Mar. 8, 2021

Aerial views of Earth are punctuated by scientific speculation about light, planetary motion and the Moon’s “attractive power”.

From Nature • Jul. 8, 2019

This model permitted reasonably accurate predictions of planetary motion, certainly good enough for the precision of measurement available in Ptolemy’s day, and even many centuries later.

From "Cosmos" by Carl Sagan