This time the itinerary is longer, more daring and riskier, and includes a spacewalk, the first by private astronauts.
The mission, named Polaris Dawn, hearkens back to the earliest era of spaceflight, the 1960s, when pioneers like Yuri Gagarin of the Soviet Union and John Glenn of NASA pushed the boundaries.
But unlike those expeditions, undertaken by national space agencies, this is a purely commercial effort.
The real focus is on what we stand to gain and learn from it. And in this case, we've got some pretty cool things.
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