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:
Virgin Megastores concept stores were marketed separately to stand-alone Virgin Megastores (due to their more limited stock availability) and branded, Virgin at Myer. This solved Brazin's problem since 2002 by separating the Virgin and Sanity target markets by making Virgin more "family orientated" while leaving Sanity's "street edge" to continue. Exactly a year later, Brazin stated that after a rocky start (with staff recruitment issues and aligning products with the typical Myer customer), Virgin at Myer was up 45 per cent on comparative sales and was performing well. In December 2004, HDS Retail Asia Pacific opened Australia's first Virgin Books and Music