A spacecraft that takes off on a runway, with rocket engines that do not require external oxygen, seems like a safer approach to get off the ground than being strapped to a controlled explosion.
In: Physics
As far as I’m aware, while they reach what is classified as space, the rocket is not big enough for a sustained burst to put it into an a orbit. It’s only in a microgravity for several minutes before coming back to earth. The amount of fuel needed is huge, something which you wouldn’t be able to put into a craft that takes off from a run way.
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