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1 gen 1861 anni - William Leitch was the first to propose rocket spaceflight in his essay, A Journey Through Space

Descrizione:

William Leitch was a Scottish astronomer and mathematician. His essay correctly stated many things about rocket-flight, such as attributing rocket-thrust to "internal reactions" (Newton's laws) and that rocket thrust was most effective in a vaccum.

Aggiunto al nastro di tempo:

Space

ByDarren GUAN
9 dic 2019
0
0
409

Data:

1 gen 1861 anni
Adesso
~ 164 years ago

Immagini:

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