interplanetaariinisen
Interplanetaariinisen is a Finnish term that translates to "interplanetary" in English. It refers to phenomena, objects, or processes that occur or exist in the space between planets within a solar system. This includes the region beyond a planet's immediate atmosphere and magnetosphere, extending outwards towards the heliopause, the boundary of the Sun's influence.
The interplanetary medium is not empty space but is filled with tenuous plasma, dust, magnetic fields, and
Objects that travel through this region are considered interplanetary. Examples include spacecraft on missions between planets,