Spacecraft
出舱活动
Spacewalk
A crew member working outside in vacuum.
A typical EVA runs 6–8 hours.
Related terms
- Payload fairing — The nose shell protecting the payload, jettisoned above the atmosphere.
- Stage — A self-contained propulsion section, dropped when spent.
- Reusable — A launcher that flies again after recovery.
- Booster — Strap-on or parallel stages giving extra thrust at liftoff.