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

"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

That means astronomers could use them to better understand how stellar particles influence planetary environments.

From Science Daily • Mar. 27, 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