The Big Dipper is a group of 7 stars (an asterism) contained in the Northern Hemisphere constellation called Ursa Major (The Great Bear). The two brightest stars in the Big Dipper (Dubhe and Merak) "point" to the North Star, Polaris. 1,000,000,000
Big Dipper is the name associated with roller coasters operated by Luna Park Sydney. There have been two Big Dippers, and Luna Park Sydney still retains the rights to operate roller coasters in Australia under this name.
Big Dipper is a wooden roller coaster at Geauga Lake amusement park in Aurora, Ohio. Built in 1925, the Big Dipper is an ACE "Coaster Classic" and is currently the 7th oldest operating roller coaster in the USA (12th oldest in the world). Big Dipper underwent major renovations in 1980.