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.

To test this concept, the researchers used an agent-based simulation to model how life might spread across star systems and influence planetary properties.

From Science Daily • Apr. 15, 2026

The Kent Kresa Space Gallery will feature a wide array of spacecraft, planetary probes, telescopes and more.

From Los Angeles Times • Apr. 13, 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

Many years later, Kepler came upon his third and last law of planetary motion, a law that relates the motion of various planets Kepler’s second law: A planet sweeps out equal areas in equal times.

From "Cosmos" by Carl Sagan