Please give credit for this item to: NASA's Goddard Space Flight Center
Asteroid belt image courtesy of NASA/JPL-Caltech/T. Pyle (SSC)
Doppler radar image courtesy of NASA/JPL/Goldstone
Simulated cratering image courtesy of NASA/GSFC/UA/Mike Nolan-Arecibo Observatory/Bob Gaskell-Planetary Science Institute
Spacecraft images courtesy of NASA/GSFC/UA
Astronomers image courtesy of Babak Tafreshi/
The World at Night