A globe is a physical representation of a sphere, specifically it is a spherical model of the Earth or other celestial body, usually made of a material such as paper mache, plastic or metal, on which the Earth’s surface is represented by a map. A globe shows the Earth’s surface in a three-dimensional format and it allows to visualize the planet as a whole, including its land masses, oceans, and other features such as political boundaries, mountains, and bodies of water.

A sphere is a three-dimensional object, where all points on its surface are equidistant from its center. A sphere can be made of any material, and it can be of any size. A sphere can also refer to any object that is shaped like a ball, such as a basketball, a planet, a marble.

In summary, a globe is a specific type of sphere, it is a spherical model of the Earth or other celestial body, which is used for educational and decorative purposes, while a sphere can refer to any object that has the shape of a ball.