ORBITAL 轨道桥
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Spacecraft

低温推进剂
Cryogenic propellant

Propellants kept very cold, such as liquid hydrogen and oxygen.

Liquid hydrogen sits near 20 K, oxygen near 90 K.

Related terms
  • Parachute — Canopies used to slow a landing.
  • Landing burn — The final deceleration burn before touchdown.
  • Drone ship — An uncrewed barge that catches first stages.
  • Constellation — A group of satellites working together.

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