Related by context. Frequent words. (Click for all words.) 47 Lunar X PRIZE 43 Russian Soyuz capsules 41 manned spacecraft 40 Ansari X 39 spaceflight 38 Dragon capsule 38 manned spaceflight 37 X PRIZE Foundation 37 private 37 X Prize 37 lunar lander 37 securely stored 37 tourist Charles Simonyi 36 privately funded 36 suborbital flight 35 robotic spacecraft 35 Centennial Challenges 35 Space Adventures 35 privately financed 35 designer Burt Rutan 35 Bigelow Aerospace 35 lunar rover 35 X PRIZE 35 suborbital flights 35 sub orbital 34 safely 34 Scaled Composites 34 collect 34 SpaceShipOne 34 spacecraft 34 Peter Diamandis 33 SpaceX 33 operate 33 XCOR Aerospace 33 bankrolling 33 Automotive X PRIZE 33 unmanned lunar 33 compete 33 stored 32 spaceship 32 spaceships 32 astronauts 32 Planetary Society 32 Virgin Galactic 32 Cassini Huygens 32 suborbital space 32 upload 32 wirelessly connect 31 undocked 31 funded 31 secure 31 Stardust spacecraft 31 billionaire Richard Branson 31 Multiple Listings Services 31 SpaceX Falcon 9 31 UP Aerospace 31 seamlessly migrate 31 illegally funneled 31 operated 31 lunar orbiter 31 stowed 31 spaceflights 31 securely 31 Dennis Tito 30 Torii Hunter homered 30 Sir Richard Branson 30 secured 30 privately owned 30 spacecrafts 30 receive 30 spaceports 30 human spaceflight 30 financed 30 Mars Pathfinder 30 retrieve 30 distribute 30 rocketship 30 NASA 30 Nasa 30 filch 29 amass 29 SpaceShipTwo 29 Yuri Night 29 Space Exploration 29 US3 29 connect wirelessly 29 pocketed 29 run 29 purchased 29 Charles Simonyi 29 secures 29 XCOR 29 Burt Rutan 29 manage 29 collected 29 subsidize 29 Persian Gulf emirate 29 5billion 29 SPACEHAB 29 underwrites 29 Spacehab