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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Its Lunar Mission #2 (scheduled to launch on Astrobotic’s Griffin lander later this year) is bringing Indigenous worldviews and perspectives into the interplanetary species conversation, while challenging the extractive, competitive models of space and governance.
—
Melissa Jun Rowley, Rolling Stone, 17 July 2025
One common type of space weather event is called an interplanetary coronal mass ejection.
—Mojtaba Akhavan-Tafti, The Conversation, 11 July 2025
Both the company's lunar burial and interplanetary services start at $12,995, according to its website.
—Eric Lagatta, USA Today, 27 June 2025
The company would also deal with the problem of sealing the sample return capsule and making sure that it is decontaminated in accordance with NASA and international safety protocols against interplanetary contamination.
—New Atlas, 6 July 2025
See All Example Sentences for interplanetary
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Melissa Jun Rowley, Rolling Stone, 17 July 2025
One common type of space weather event is called an interplanetary coronal mass ejection.
—Mojtaba Akhavan-Tafti, The Conversation, 11 July 2025
Both the company's lunar burial and interplanetary services start at $12,995, according to its website.
—Eric Lagatta, USA Today, 27 June 2025
The company would also deal with the problem of sealing the sample return capsule and making sure that it is decontaminated in accordance with NASA and international safety protocols against interplanetary contamination.
—New Atlas, 6 July 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 29 Jul. 2025.
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