interplanetary

[ in-ter-plan-i-ter-ee ]

adjective

1. being or occurring between the planets or between a planet and the sun.

interplanetary

/ ˌɪntəˈplænɪtərɪ, -trɪ /

adjective

1. of, relating to, or existing between planets

Word History and Origins

Origin of interplanetary¹

First recorded in 1685–95; inter- + planetary

Example Sentences

Other origins of life researchers, however, doubt that the challenges to life arising on Earth are grave enough to resort to interplanetary travel.

From Popular-Science

The spacecraft’s payload — which includes a heat flow instrument, a magnetometer and a seismometer — makes it the first fully equipped interplanetary geophysicist.

From Quanta Magazine

Today SpaceX used its eighth prototype, SN8, to conduct the vehicle’s first high altitude flight test, an essential step toward making Musk’s dreams of interplanetary transportation a reality.

From Popular-Science

Fortunately for future explorers, the technology to link the far flung reaches of the solar system—an interplanetary internet—has been in the works for decades.

From Popular-Science

The interplanetary internet is an infrastructure that’s intended to support interplanetary activity, which could be research but someday could also be commercialization.

From Quanta Magazine

The plan is to mine asteroids to be used on Earth and for interplanetary travel.

From The Daily Beast

But a vast amount of it will be spent in interplanetary doldrums, waiting to arrive at the destination.

From The Daily Beast

But when pressed, she offered that a more interplanetary story line might serve the president well.

From The Daily Beast

Interplanetary commerce, if and when it begins, will be fraught with all of the dangers that accompany pioneering expeditions.

From Project Gutenberg

Coming alongside the crushed hull of the interplanetary liner, we made an inspection of its position.

From Project Gutenberg

"They've been collecting here ever since the first interplanetary rocket-ships went forth," Crain reminded him.

From Project Gutenberg

And here we have reached the goal of our interplanetary journey.

From Project Gutenberg

Everybody was interested in, or affected by, interplanetary travel, now.

From Project Gutenberg