The potentially Earth threatening asteroid 2005 YU55 was imaged by the Arecibo Radar (Radio) Telescope in Puerto Rico on April 19. Data collected during Arecibo’s observation of 2005 YU55 allowed the Near-Earth Object Program Office at NASA’s Jet Propulsion Laboratory to refine the space rock’s orbit, allowing scientists to rule out any possibility of an Earth impact for the next 100 years.
More information and the radar image can be found here.
