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.

“We don’t know because it’s never been done at a planetary scale before,” Webb says.

From The Wall Street Journal • Apr. 6, 2026

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

From Barron's • Apr. 5, 2026

He said: "Micrometeorites are samples of the Solar System's building blocks which can offer insights into early planetary formation, Earth's atmospheric history, and climate evolution."

From BBC • Apr. 4, 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

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