planetary

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.

"In summary, these results suggest a very carbon-rich, oxygen-poor planetary atmosphere."

From Science Daily • Apr. 6, 2026

Because planets form mostly from the same material as their star, the star's composition helps shape the chemistry of the entire planetary system.

From Science Daily • Apr. 6, 2026

The Moon will appear to the astronauts "about the size of a basketball held at arm's length," Noah Petro, head of NASA's planetary geology lab, told AFP.

From Barron's • Apr. 5, 2026

The vast, oceanic, planetary gobs of money to build out AI, which investors were supposed to provide without immediate return, will have to come from somebody else—actual customers.

From The Wall Street Journal • Mar. 29, 2026

Lowell was posthumously hailed everywhere as a genius of the first order, and Tombaugh was largely forgotten, except among planetary astronomers, who tend to revere him.

From "A Short History of Nearly Everything" by Bill Bryson