Space architecture of space and a space transportation infrastructure can be accelerated. Virgin Galactic has indicated plans for an orbital craft, SpaceShipThree. The demand for space tourism is one without bound. It is not difficult to imagine lunar parks or cruises by Venus. Another impetus to become a spacefaring species is planetary defense. The classic space mission is the Earth-colliding asteroid interception mission. Using nuclear detonations to split or deflect the asteroid is risky at best. Such a tactic could actually make the problem worse by increasing the amount of asteroid fragments that do end up hitting the Earth. Robert Zubrin writes:
Deep Space/Virgin Sky Deep Space/Virgin Sky Deep Space/Virgin Sky is a 1995 album by Jefferson Starship recorded live at the House of Blues in West Hollywood on the Sunset Strip. The concert was performed as a benefit memorial concert for Papa John Creach with proceeds going to his family. The original album rearranged the order of songs as performed and was divided into two parts with the first half featuring new material and the second half of the album featuring the classic hits of Jefferson Starship and Jefferson Airplane, including an appearance by Grace Slick performing vocals on "Law Man", "Wooden Ships", "Somebody