When it comes to orbital launch positioning, the Earth has something of a sweet spot: its equator. Like a gigantic planetary baseball bat, rockets jump off the Earth’s center-line with ease and enter geostationary orbits using a fraction of the energy required anywhere else on the planet. But the problem is that there isn’t a whole lot of usable land along the equator—so one enterprising consortium has developed a means of launching rockets from the middle of the ocean.
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