Why is it so difficult and costly to build a rocket which escapes Earths atmosphere?

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The rocket need not carry people or any payload. It only needa to be big enough to escape earths atmosphere. Why is this so hard to accomplish?

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Anonymous 0 Comments

If you just want to go 100 Km up and nothing more, it isn’t that expensive. Its been done at least once by amateurs. If you want to do this expect to spend ~$100,000 and a few years.

If you are in the US, you will need approval from the FAA to launch your rocket. In order to do that you will have to convince them the odds of hurting someone is quite low. In practice this means you need a very large area with no people in it. This has been done by launching in the Black Rock dessert, and paying CSX freight not to run any trains across the dessert during your launch window. That is not inexpensive.

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