a world view, air dome, an asteroid, asteroid, asteroid belt, blue, buildings, city, closed, closed ecosphere, clouds, constellation, forest, fragments, galaxy, hubble space telescope, hydra, is similar to the milky way, m 83, m106, m83, nasa goddard space flight center, nebula, ngc 5236, ngc 6744, pace, planet, scott richard, sky, southern pinwheel, space, spiral, spiral galaxy, star, stars, tower, towers, town, universe, world