Crawford has assumed a working knowledge of spherical astronomy. He develops his subject concisely, and leaves the more difficult subjects of perturbations and definitive orbits for later and more ...

With over 2,455.23 square kilomoters of karst landscape, Pingtang County is also home to China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST). A woman tidies up a room in a sci-fi ...

An aerial photo of the Five-hundred-meter Aperture Spherical Radio Telescope (FAST ... his understanding of astronomy was relatively limited before joining the team. Through his experience ...