Created by: kgladney
Number of Blossarys: 1
The collection of objects in orbit around Earth that were created by humans but no longer serve any useful purpose.
The curved path, usually elliptical, described by an object around a celestial body, as the sun.
A chemical which is used in the production of energy and pressurized gas that is used to create movement of a fluid or to generate propulsion of a vehicle or projectile or other object.
A vehicle, a vessel or a machine designed with the purpose of flying in outer space.