Then, there is the LIFE biomodule, which we piggybacked in the Grunt mission simply to get it into interplanetary space for as long as possible, 34 months in the case of this mission.

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Particles (known as meteoroids) that come from interplanetary space, on the other hand, are natural.

ECONOMIST: Orbital debris

He climbed out of the car creakily, as if out of a space capsule after an interplanetary voyage.

NEWYORKER: We Are Alive

Some of the technology has come from ideas suggested by the Interplanetary Network, which is looking at ways of providing net connectivity in space.

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