What technology helped make physical space exploration real?

Large, efficient rockets.

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  1. Paper airplanes
  2. Hand-cranked fans
  3. Large, efficient rockets ✔

Why: Development of large and relatively efficient rockets in the mid twentieth century made physical extraterrestrial exploration possible.

Huh, didn't know that: Development of large and relatively efficient rockets in the mid twentieth century made physical extraterrestrial exploration possible.

The dad joke
Rockets: the ultimate elevator!
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References

Answer: Large, efficient rockets. Development of large and relatively efficient rockets in the mid twentieth century made physical extraterrestrial exploration possible.

  1. Exploration en.wikipedia.org/wiki/Exploration
    large and relatively efficient rockets during the mid-twentieth century
    Checked 2026-11-07.

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