Its as big as a compact car, weighing in at 3 metric tons, and has taken 20 years to create.

Its the largest World's Largest Digital Camera, and once it reaches it's final destination, it will conduct a survey of  the night's sky that hasn't been done since the 1950s.

For more, KCBS Radio's Bret Burkhart and Patti Reising were joined by Aaron Roodman, Professor of particle physics and astrophysics at SLAC's National Accelerator Laboratory, who also led the effort of putting the camera together.