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Lomaser

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Lomaser
If we could build a large tube big enough for a spacecraft to fit through from the lower atmosphere into space and turn it into a vaccum by sucking out the oxygen (Or could we leave it as it is but...
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Lomaser
These if you don't know what they are. http://www.google.co....PGGUIXqLMGi0QWw_4C4BA...

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