NASA completes first Ares engine tests
The U.S. space agency says it’s completed the first tests of the J-2X engine that will power the upper stages of the Ares I and Ares V rockets.The Ares rockets are key components of the National Aeronautics and Space Administration’s Constellation Program. Ares I will launch the Orion spacecraft that will take astronauts to the International Space Station and then to the moon by 2020. The Ares V …
