Circle of a sphere the Equator the only great circle. By contrast, all meridians of longitude, paired with their opposite meridian in the other hemisphere, form great circles. The diameter of the sphere which passes through the center of the circle is called its axis and the endpoints of this diameter are called its poles. A circle of a sphere can also be defined as the set of points at a given angular distance from a given pole. When the intersection of a sphere and a plane is not empty or a single point, it is a circle. This can be seen as follows:
Sphere (2013 film) Sphere (2013 film) Sphere is a British animated short film created in 2013 by Aardman Animations for the University of Bristol and the Elizabeth Blackwell Institute. It was directed by Richard Webber. "Sphere " "involved asking members of the general public for their views on the technologies being developed in a project called SPHERE (Sensor Platform for HEalthcare in a Residential Environment), and what the outcomes might mean for them". As a result, "The creatures within the animation voiced opinions which reflected public reaction to SPHERE". "Sphere " was created in preparation for the launch of the Elizabeth Blackwell Institute.