... How did stars form in the early universe? ... Inspection of NGC 6822 shows several bright star groups, including two dubbed Hubble-X and Hubble-V. Asteroid 1998 WT24 Passes Near Earth . ... Pictured above, the kilometer-sized asteroid was imaged crossing the sky on December 14, two days before closest approach. ... Hot blue stars, red glowing hydrogen gas, and dark, obscuring dust clouds are strewn through this dramatic region of the Milky Way in the southern constellation of Ara (the Altar). ...