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.

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 Moon has got the same elements in it that we have here on Earth," says Prof Sara Russell, a planetary scientist at the Natural History Museum.

From BBC • Mar. 29, 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

To Jef Caers, a professor of earth and planetary sciences at Stanford University who happens to be Belgian, the museum’s stance looks like “delay tactics.”

From The Wall Street Journal • Mar. 28, 2026

Whatever, there is no doubt that when Halley did visit Newton they discussed planetary orbits and the inverse square law.

From "The Scientists" by John Gribbin