SPHERES are bowling ball-sized spherical satellites.
SPHERES are bowling ball-sized spherical satellites. These free-flying spheres travel within the cabin of the space station. Each satellite is self-contained with power, propulsion, computers and navigation equipment. If successful, these volleyball-sized mini-satellites, and potentially larger versions, would be able to refuel or repair other satellites, establish positioning around space-based telescopes, and support space docking routines. > Read More