The interplanetary medium is the material which fills the solar system, and through which all the larger solar system bodies, such as planets, asteroids, and comets, move.
Read more about Interplanetary Medium: Composition and Physical Characteristics, Extent of The Interplanetary Medium, Interaction With Planets, Observable Phenomena of The Interplanetary Medium, History
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“In the one instance, the dreamer ... loses sight of this object in a wilderness of deductions and suggestions ... until ... he finds the incitamentum, or first cause of his musings,... forgotten. In my case, the primary object was invariably frivolous, although assuming, through the medium of my distempered vision, a refracted and unreal importance.”
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