👉 A macroscopic sphere (or macrosphere) is a mathematical object that represents a microscale region of a larger system, such as a planet or galaxy. It is defined as a point mass with an infinite radius and an infinite volume within it. The macrosphere concept was introduced by physicist James Clerk Maxwell in the 19th century. It was later developed into a theoretical framework for describing the behavior of the universe at scales comparable to the size of atoms, molecules, or even subatomic particles

macrosphere