Around 463 people have traveled to space as tourists so far, with costs typically around $10,000-$40 million depending on the experience. Those interested in becoming space tourists would need to study space topics, exercise to prepare their body, and ask questions to learn more. Government agencies like NASA and ESA offer some space travel opportunities for tourists, as do private companies like Virgin Galactic, Space Adventures, Starchaser Thunderstar, and Uniktour. Six specific space tourists who flew to the International Space Station on Soyuz spacecraft between 2001-2008 are named.