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There are many fields of science and engineering that overlap space exploration. Certainly chemistry is one, as is physics, biology, geology, etc. Chemistry is important to space exploration in more ways than just combustion chamber relations - there are the reactions that take place in fuel cells, in the shocks of reentry vehicles, in life support equipment,...


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Chemical reactions should need to demonstrate that they are suitable for use in a rocket engine, before they can be considered on-topic here. Otherwise, you are literally opening up every possible chemical reaction for discussion. The reaction could end up being endothermic, or producing a black tarry deposit, and we've gained nothing by the question. ...


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I think that this question should be closed: Is streamline body shape essential for propagation in the vacuum of space? As it seems to be a duplicate of this: Are there enough stray gasses in space to justify streamlining a probe?


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It seems to me that the consensus is that the older one is better, but we'll see how this answer gets voted. I think your question should be closed as a duplicate of the older one and no merge should occur. This will leave the Q&A at both places intact, and it will guide anyone who finds your question first to the other question for additional answers. ...


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