... The relative average abundance in our Solar System appears higher than can be made in the early universe, in stars, and even in typical supernova explosions. ... Similar in size and grand design to our own Milky Way, spiral galaxy NGC 3370 lies about 100 million light-years away toward the constellation Leo. ... Stars, Galaxies, and Comet Tempel 1 . ... The dark band of dust that obscures the mid-section of the Sombrero Galaxy in optical light actually glows brightly in infrared light. ...