... Near a bright star, clouds of these dust particles scatter short wavelengths of visible starlight more readily than long wavelengths, producing lovely blue reflection nebulae. ... Inspection of NGC 6822 shows several bright star groups, including two dubbed Hubble-X and Hubble-V. Asteroid 1998 WT24 Passes Near Earth . ... 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)....