Konstantin Tsiolkovsky Quote: No.2
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The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever. Konstantin Tsiolkovsky | Refcard PDF ↑
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- Name:
- Konstantin Tsiolkovsky (random)
- Books & Videos:
- Konstantin Tsiolkovsky Books & Videos
- Type:
- Scientist
- Nationality:
- Russian
- Birth Date / Year:
- September 5, 1857
- Death Date / Year:
- September 19, 1935
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