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    In space, "distance" doesn't really matter as you spend a lot of time coasting, and a lot of time burning sideways. 'How far is it to space?' "About 200km" "How far away from the launch pad is a rocket when it stops burning to orbit?" "About 1000km, and even then they're not in space yet."

    (Numbers made up and not actual fact, but illustrate the point)

    In spaceflight, it doesn't matter how far Luna is, it matters how much dV it takes to get there. How much dV a rocket has and has spent is infinitely more important than how far it's gone or how far it has to go.

    5.3 years ago

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