SpaceX made space history, as four astronauts were launched into a pole-to-pole orbit not traveled by any human before them. But why is this orbit so unusual, and why has nobody done it before? Though the Fram2 mission is a private one on behalf of cryptocurrency billionaire Chun Wang,

Four private spacefarers on a mission known as Fram2 set out to become the first humans to fly in orbit over both Earth's North and South poles.