The remnant nebular gas pervades the interplanetary space.

星云的残余气体充斥星际空间。

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The flux ropes offered channels for the transport of the solar wind plasma into the magnetosphere and the escape of the magnetospheric plasma into the interplanetary space.

通量管为太阳风等离子体向磁层输运和磁层粒子向行星际空间逃逸提供了通道。

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Physical processes of the propagation of the solar cosmic rays in the interplanetary space include the diffusion in interplanetary disordered magnetic fields and the convection in solar winds.

太阳宇宙线在行星际空间的传播，包括行星际不规则磁场中的扩散和太阳风对流这两种物理过程。

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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.

MSN: Salvaging Science from Stricken Mars Moon Probe: A Scientist's View - Technology & science - Space - Space.com | NBC News

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