The Fram2 crew poses in this image provided by SpaceX. The group includes, from left, Eric Philips, a polar guide from Australia; Rabea Rogge, a robotics researcher from Germany; Norwegian filmmaker Jannicke Mikkelsen; and Chun Wang, a Chinese-born bitcoin investor who is paying for the whole spaceflight. (SpaceX via AP via CNN Newsource) A crew of four passengers — led by a cryptocurrency billionaire — is set to launch aboard a SpaceX capsule that will carry them over the Earth’s poles, marking the first time humans have flown such a mission. The group is slated to lift off from a...