Definitions of the classes and terms listed in the menu below can be found by clicking on the "classes" menu.
Polaris Dawn is a historic private space mission aiming for the highest Earth orbit. Polaris Dawn, Starlight, and Moonlight inspire space exploration.
SpaceX's Starlink constellation has thousands of low-Earth-orbit satellites. It provides low-cost, high-speed internet to underserved areas worldwide.
Space debris refers to discarded objects in orbit around Earth that pose a threat to active satellites, space missions and the future of space exploration
