Hermann Oberth Quote: No.2
- 2
If there is a small rocket on top of a big one, and if the big one is jettisoned and the small one is ignited, then their speeds are added. Hermann Oberth | Refcard PDF ↑
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- Name:
- Hermann Oberth (random)
- Books & Videos:
- Hermann Oberth Books & Videos
- Type:
- Scientist
- Nationality:
- German
- Birth Date / Year:
- June 25, 1894
- Death Date / Year:
- December 28, 1989
