What do you get when you cross a robot and an astronaut? A robonaut Robonaut are robot helpers designed to work side-by-side with astronauts. Work on the first Robonaut began in 1997,and by 2002 Robonaut B was revealed to the public. Robonaut B may have featured interchangeable lower bodies,like four wheel mode hydraulic legs,but sientists and engineers continued to improve Robonaut. In February of 2010,Robonaut 2 was released to public. Robonaut 2 moved four times faster than the first Robonaut. Advanced version of Robonaut 2 was finally tested in outer space in 2011. Robonaut functioned exactly as designed.