Asteroids and Comets (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption These are asteroids and comets visited by spacecraft. Credit Credit: ESA, NASA, JAXA, RAS, JHUAPL, UMD, OSIRIS; Montage: Emily Lakdawalla (Planetary Society) & Ted Stryk. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.