Sights in the sky Star hopping Take a famous constellation you can find easily as your starting point, then let your eye hop from one bright star to the next to navigate your way around the night sky. Change your latitude, change your sky Travel from pole to pole, north to south, and see how your latitude on Earth dramatically changes the stars you can see and the way they seem to move in the sky through the course of a night. Around the pole star For observers at mid northern latitudes, the Big Dipper never set. Watch how these circumpolar stars circle around in just under 24 hours, like a hand on a huge celestial clock. The Virgo cluster of galaxies Zoom in on a region of the sky where several thousand of the countless galaxies that populate the universe are clustered together. Dawn of time in China Travel back in time to 1953 years BC, to witness a very rare astronomical event. See also: The Essentials Sun, Moon and Earth The Planets Comets and asteroids Spaceflight