Circle of a sphere Circle of a sphere A circle of a sphere is a circle that lies on a sphere. Such a circle can be formed as the intersection of a sphere and a plane, or of two spheres. A circle on a sphere whose plane passes through the center of the sphere is called a great circle; otherwise it is a small circle. Circles of a sphere have radius less than or equal to the sphere radius, with equality when the circle is a great circle. In the geographic coordinate system on a globe, the parallels of latitude are such circles, with
Straight from the Hart Straight from the Hart Straight from the Hart is a 2011 autobiography by Canadian professional wrestler Bruce Hart. The book chronicles Hart's childhood in Calgary as a member of the Albertan Hart wrestling family, his career in the wrestling industry to his later life as a trainer. It was published by ECW Press. The book is one of a long line of books by or about members of Hart's family. The book was first announced in May 2010. In March Hart was interviewed about the book on WDFN Wrestling Elite and Monday Night Mayhem. On Monday Night Mayhem Hart explained