... Trailing a thick column of exhaust, the Space Shuttle Columbia blasted into the twilight morning sky on March 1, its thundering rockets briefly flooding a cloud bank with the light of a false dawn. ... Comet Ikeya Zhang Brightens . ... A large, elliptical galaxy dominates this hypothetical cluster's central region surrounded by a swarm of member galaxies. ... Here are the true colors of planet Earth. ... The Regolith of Asteroid Eros . ... M27: Not A Comet . ... Jupiter s Great X Ray Spot . ...