interplanetary
adjective
in·ter·plan·e·tary
ˌin-tər-ˈpla-nə-ˌter-ē 
: existing, carried on, or operating between planets
interplanetary dust
an interplanetary flight
interplanetary spacecraft
Examples of interplanetary in a Sentence
Recent Examples on the Web
If all goes according to plan today, the Falcon 9's upper stage will deploy IMAP into an interplanetary transfer orbit about 84 minutes after launch.
—
Mike Wall, Space.com, 24 Sep. 2025
But the environment around Jupiter is even harsher than deep interplanetary space in many ways.
—Ethan Siegel, Big Think, 3 Sep. 2025
Developing knowledge about our solar system, galaxy and the possibility of humans becoming an interplanetary species are alluring prospects in their scope and grandeur.
—James Cramer, Baltimore Sun, 20 Aug. 2025
From orbital factories and lunar infrastructure to ISRU and interplanetary logistics, space is becoming a vital extension of human civilization.
—Shelli Brunswick, Forbes.com, 18 Aug. 2025
See All Example Sentences for interplanetary
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Mike Wall, Space.com, 24 Sep. 2025
But the environment around Jupiter is even harsher than deep interplanetary space in many ways.
—Ethan Siegel, Big Think, 3 Sep. 2025
Developing knowledge about our solar system, galaxy and the possibility of humans becoming an interplanetary species are alluring prospects in their scope and grandeur.
—James Cramer, Baltimore Sun, 20 Aug. 2025
From orbital factories and lunar infrastructure to ISRU and interplanetary logistics, space is becoming a vital extension of human civilization.
—Shelli Brunswick, Forbes.com, 18 Aug. 2025
See All Example Sentences for interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 7 Oct. 2025.
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