Definition: "Subtletiosphere" is a term used in physics and astrophysics to describe the region of space where the gravitational field is dominated by smaller objects, such as planets or stars. This means that the gravitational force acting on these objects is much weaker than that exerted by larger celestial bodies like Earth. The concept of "subtletiosphere" originated from the observation of the gravitational effects of small objects in the solar system and was later generalized to describe the gravitational field around smaller
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