cosmos 2

2. The high-velocity stream of hot gas and reaction products expelled from a rocket nozzle.
3. Pertaining to the branch of physics dealing with the forces exerted by air on moving objects.
8. Pertaining to the resistance of any physical object to any change in its velocity of motion.
9. Traveling at speeds equal to or greater than five times the local speed of sound.
10. The primary lower-stage rocket engine assembly providing initial liftoff thrust.
11. The action of driving or pushing a spacecraft forward using generated thrust energy.
12. A chemical mixture burned inside rocket engines to generate high-pressure expanding gases for thrust.

1. Describing the unpowered flight trajectory of an object moving entirely under the influence of gravity and momentum.
4. The electronic systems and automated computer networks applied to spacecraft and aircraft navigation.
5. The revenue-generating or scientific equipment, satellite hardware, or crew compartments carried by a launch vehicle.
6. The curved path followed by a projectile or spacecraft moving through space under gravitational and propulsive forces.
7. A large rotating laboratory device designed to simulate high-acceleration G-forces for astronaut training.