... Several new Hubble Space Telescope pictures of stars surrounded by disks were released earlier this week. Since the glare of the central star usually makes a surrounding disk hard.. ... This subject took on new light yesterday with the release of a Hubble Space Telescope image of the sky surrounding GRB 990123. ... The First Explorer . ... Recent radio observations show new details of hot gas expanding rapidly from an energetic star-forming region in our Galactic disk out into our Galaxy's halo. ...