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
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Advocates of interplanetary exploration seem undaunted.
—
Dhruv Khullar, The New Yorker, 10 Feb. 2025
Most interplanetary life-detection experiments have involved looking for chemical tracers—biosignatures—that otherworldly microbes might create in their environments as a by-product of their metabolism.
—Gayoung Lee, Scientific American, 5 Feb. 2025
For example, there is no commercial return on building big space telescopes or interplanetary probes.
—Ars Technica, 3 Feb. 2025
Planetary protection is a serious facet of interplanetary exploration.
—Keith Cooper, Space.com, 3 Feb. 2025
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Dhruv Khullar, The New Yorker, 10 Feb. 2025
Most interplanetary life-detection experiments have involved looking for chemical tracers—biosignatures—that otherworldly microbes might create in their environments as a by-product of their metabolism.
—Gayoung Lee, Scientific American, 5 Feb. 2025
For example, there is no commercial return on building big space telescopes or interplanetary probes.
—Ars Technica, 3 Feb. 2025
Planetary protection is a serious facet of interplanetary exploration.
—Keith Cooper, Space.com, 3 Feb. 2025
See all Example Sentences for interplanetary
Dictionary Entries Near interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 16 Feb. 2025.
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