... Comet Shoemaker-Levy 9, named after its co-discoverers, was often referred to as the "string of pearls" comet. ... Near the shadow of the moon under a shady tree, dozens of images of a 1994 solar eclipse in progress are visible in this striking picture from the campus of Northwestern University in Evanston, Illinois. ... Ida and Dactyl: Asteroid and Moon . ... NASA probe Deep Space 1 zoomed past asteroid 9969 Braille last week as it continued to test its new ion drive in the inner Solar System. ...