SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/aero-sls-rocket

What is NASA's Space Launch System, or SLS?

A super heavy-lift rocket that sends Orion and its crew to the Moon.

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  1. A super heavy-lift rocket for Moon trips ✔
  2. A reusable space plane
  3. A satellite that guides spacecraft

Why: SLS is NASA's super heavy-lift rocket. It can send Orion, four astronauts and large cargo straight to the Moon in one launch.

Huh, didn't know that: SLS uses four RS-25 engines plus two shuttle-style solid rocket boosters.

The dad joke
Why is SLS so strong? It never skips leg day, or launch day.
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References

Answer: A super heavy-lift rocket for Moon trips. SLS is NASA's super heavy-lift rocket. It can send Orion, four astronauts and large cargo straight to the Moon in one launch.

  1. NASA, Space Launch System www.nasa.gov/reference/space-launch-system
    the only rocket that can send NASA's Orion spacecraft, four astronauts, and large cargo directly to the Moon
    Checked 2026-10-10.
  2. NASA, Space Launch System www.nasa.gov/reference/space-launch-system
    uses the core stage with four RS-25 engines
    Checked 2026-10-10.

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