Why do traditional spacecraft need booster rockets to break out of earth’s gravity while the Virgin space plane not?

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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

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Anonymous 0 Comments

The virgin plane didn’t get into orbit or “break out” of earth’s gravity. It just flew really high and fast to the edge of the atmosphere.
So not really a space craft, just a high aeroplane.

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