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.

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

With a mass similar to Saturn, the researchers suggest that it most likely formed within a planetary system rather than developing on its own like a small star or brown dwarf.

From Science Daily • Jan. 4, 2026

The observations reveal two separate and powerful impacts that produced expanding clouds of dust within the same planetary system.

From Science Daily • Jan. 1, 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

Similarly, Ptolemy had demonstrated that no homocentric planetary system could account for the observed phenomena, but philosophers were still trying to produce such a system well into the sixteenth century.

From "The Invention of Science" by David Wootton