Spacecraft
助推器
Booster
Strap-on or parallel stages giving extra thrust at liftoff.
Long March 5 flies with four 3.35 m boosters.
Related terms
- Solid rocket motor — A motor whose fuel and oxidiser are solid.
- Hypergolic propellant — Two fluids that ignite on contact.
- Reaction control system — Small thrusters that point a spacecraft.
- Docking — Two spacecraft joining in orbit.