being or occurring between the planets or between a planet and the sun.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use interplanetary in a sentence
Other origins of life researchers, however, doubt that the challenges to life arising on Earth are grave enough to resort to interplanetary travel.
The spacecraft’s payload — which includes a heat flow instrument, a magnetometer and a seismometer — makes it the first fully equipped interplanetary geophysicist.Rumbles on Mars Raise Hopes of Underground Magma Flows | Robin George Andrews | February 1, 2021 | 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.SpaceX’s Starship flies, belly flops, and bursts into flames | Charlie Wood | December 10, 2020 | 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.
The interplanetary internet is an infrastructure that’s intended to support interplanetary activity, which could be research but someday could also be commercialization.To Boldly Go Where No Internet Protocol Has Gone Before | Susan D'Agostino | October 21, 2020 | Quanta Magazine
The plan is to mine asteroids to be used on Earth and for interplanetary travel.James Cameron and Investors Seek to Lasso and Mine an Asteroid | Vivien Marx | April 24, 2012 | THE DAILY BEAST
But a vast amount of it will be spent in interplanetary doldrums, waiting to arrive at the destination.How Space Agencies Are Preparing for a Mission to Mars | Josh Dzieza | February 12, 2011 | THE DAILY BEAST
But when pressed, she offered that a more interplanetary story line might serve the president well.
interplanetary commerce, if and when it begins, will be fraught with all of the dangers that accompany pioneering expeditions.Spacewrecked on Venus | Neil R. Jones
Coming alongside the crushed hull of the interplanetary liner, we made an inspection of its position.Spacewrecked on Venus | Neil R. Jones
"They've been collecting here ever since the first interplanetary rocket-ships went forth," Crain reminded him.The Sargasso of Space | Edmond Hamilton
And here we have reached the goal of our interplanetary journey.Astronomy for Amateurs | Camille Flammarion
Everybody was interested in, or affected by, interplanetary travel, now.The Planet Strappers | Raymond Zinke Gallun
British Dictionary definitions for interplanetary
of, relating to, or existing between planets
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012