How the Falcon 9 rocket got its nickname, and what it means for the future of spaceflight

A rocket used to lift NASA’s first communications satellite into orbit in 2006.Now a competitor is taking it to the skies.NASA announced Thursday that it has acquired the Falcon Heavy, a 10th-generation engine that will power the Falcon 8 rocket that launched NASA’s Orion spacecraft into orbit.The Falcon Heavy was developed by Aerojet Rocketdyne and…