Space Travel
Did you know staying in Orbit requires very little energy. Once up to 5 miles a second. The rate of fall (due to gravity) will balance the vector of flying off in a straight line. To return to earth you just need to decelerate.
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exexec · 70-79, C
I had the thrill of operating a Space Shuttle simulator one time, docking with the ISS. It was fun, but it took a lot of getting used to the reality of speeding up and seeing my orbit altitude increase away from my target.