Are rockets necessary for escaping the Earth's atmosphere? Watch

Mistletoe
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#1
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#1
Is rocket propulsion necessary to escape the earth's atmosphere, or are we going to be laughed at by future humans for trying it, like fish jumping out of the water for 2 seconds and thinking they've air-flight.
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bigbattygal
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Pretty vague question, you'd need something that can provide the thrust a rocket can to act against gravity and launch yourself out of the atmosphere
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hezzlington
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High altitude balloons?



Okay he's still technically within the atmosphere, but it's pretty damn thin. I guess to really answer your question, yeah you'd need propulsion.
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Retired_Messiah
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Well the only alternative I think off the top of my head is a really big ladder and I don't think that's any better...
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hezzlington
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(Original post by Retired_Messiah)
Well the only alternative I think off the top of my head is a really big ladder and I don't think that's any better...
Impossible to build unfortunately!
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Retired_Messiah
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(Original post by hezzlington)
Impossible to build unfortunately!
Yeah thought there'd be something like that crushing my dreams
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username2763536
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There is a concept of a space elevator that would get you to low earth orbit.But that's pretty much impossible to build currently.
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Drewski
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Currently, yes.

Nothing else provides the thrust needed.
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Big_Jon
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Didn't they look into a MASSIVE cannon in the 50s or 60s. Project HARP I think it was called. Gerald Bull was a big name behind it. I think it failed because we would be using it now. But with 50 years or so of development in other fields of science might be worth looking in to again. Could use magnets for the propulsion, some sort of rail gun, or linear motor thing.
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Lay-Z
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#10
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Weather baloon?
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