New answers tagged gravity
9
votes
Why, if gravity were higher, would designing a fully reusable rocket be impossible?
It is also important to realize that it is very hard to reach orbit even with disposable rockets. In excess of 90% of the mass of a chemical rocket has to consist of propellant to get to orbit and ...
- 10.1k
23
votes
Accepted
Why, if gravity were higher, would designing a fully reusable rocket be impossible?
Impossible is too strong a word. But it would certainly be harder, for five reasons that exacerbate each other. These are basically the reasons why getting to space from Earth is hard, but worse.
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- 1,195
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