... Massive stars (tens of times the mass of the Sun) profoundly affect their galactic environment. ... Supernova Remnant: Cooking Elements In The LMC . ... Since Neptune receives only 3 percent the sunlight Jupiter does, they expected to find a dormant, dark, frigid planet. ... The first close-up of Neptune's clouds was provided by NASA's Voyager 2 spacecraft during its August 1989 flyby, giving a tantalizingly brief look. Southern Lights and Shuttle Glow . ... The Tails of Comet Hyakutake . ...