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
Before the interplanetary mission, SpaceX plans to conduct a separate flyby of the moon – not unlike NASA's Artemis II mission in April that sent four astronauts around the moon and back.
—
Eric Lagatta, USA Today, 28 May 2026
The Anthropic deal underscores SpaceX’s success in tapping into other revenue streams as Musk pursues dreams of interplanetary travel, but also highlights the risky interdependencies within the booming AI sector.
—Allie Garfinkle, Fortune, 20 May 2026
Northern Lights Forecast: Latest Updates Aurora-chasers frequently use the Kp index to predict the intensity of a geomagnetic storm, but for aurora displays, the interplanetary magnetic field’s Bz component is more important.
—Jamie Carter, Forbes.com, 16 May 2026
To investigate this, a set of 24 interplanetary type III bursts recorded by Parker Solar Probe over a one-week period was analyzed.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
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Eric Lagatta, USA Today, 28 May 2026
The Anthropic deal underscores SpaceX’s success in tapping into other revenue streams as Musk pursues dreams of interplanetary travel, but also highlights the risky interdependencies within the booming AI sector.
—Allie Garfinkle, Fortune, 20 May 2026
Northern Lights Forecast: Latest Updates Aurora-chasers frequently use the Kp index to predict the intensity of a geomagnetic storm, but for aurora displays, the interplanetary magnetic field’s Bz component is more important.
—Jamie Carter, Forbes.com, 16 May 2026
To investigate this, a set of 24 interplanetary type III bursts recorded by Parker Solar Probe over a one-week period was analyzed.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
See All Example Sentences for interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 9 Jun. 2026.
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