... Bright gas and dark dust permeate the space between stars in a nebula known as NGC 6559. ... The First Rocket Launch from Cape Canaveral . ... Reasons include the Sombrero's unusually large and extended central bulge of stars, and dark prominent dust lanes that appear in a disk that we see nearly edge-on. ... This mosaic of x-ray images cuts a swath across the photogenic Rosette Nebula, a stellar nursery 5,000 light-years from Earth in the constellation Monoceros, the Unicorn. ...