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 Date: 2014-10-06 14:50:24Private spaceflight Suborbital spaceflight Parasite aircraft Anousheh Ansari Ansari X Prize SpaceShipOne Sub-orbital spaceflight X Prize Foundation Virgin Galactic Spaceflight Tier One Space tourism |
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How the Ansari X Prize Altered the Trajectory of Human Spaceflight | Guest Blog, Scientific American Blog Network Permanent Address: http://blogs.scientificamerican.com/guest-bloghow-the-ansari-x-p