The visible space is big, complex and can be incredibly beautiful.The sky (or celestial dome) is everything that lies a certain distance above the surface of the Earth, including the atmosphere and outer space.
A Vertical panorama of the Milky Way after twilight. The central bulge of the Milky Way is clearly visible at Sagitarius. The great rift in the middle and the dark coalsack nebula are also visible contrasting against the bright sky.
2012 Astronomy Photographer of the Year contest finalist. Double Arch with a Perseid Meteor and the Milky Way by Thomas O'Brien (USA). A meteor is captured streaking across the sky above Arches National Park, Utah, during the annual Perseid meteor shower.