this post was submitted on 02 Feb 2025
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Space
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You can (theoretically) reach "space" with a single impulse from earth's surface, but you cannot achieve earth orbit that way. To make orbit, you need a circularization burn at apogee to raise your perigee above the atmosphere. Otherwise, its ballistic trajectory will cause your spacecraft to re-enter the atmosphere.
I only understand what you're talking about because of Kerbal Space Program
I only know it because of Kerbal Space Program. :)