The sky was not the limit for Indian-American astronaut Sirisa Bandla, whose fantasies were continually rising into the galaxy. Bandla, a 34-year-old aeronautical engineer, boarded Virgin Galactic"s SpaceShipTwo Unity on Sunday, joining British billionaire Richard Branson and four passengers on a journey to the edge of space from the US state of New Mexico. "As a child, her attention was always fixed on the sky, stars, aircraft, and space."