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:
Public sphere pedagogy sphere pedagogy might alienate students and community members unaccustomed to this type of dialectic experience. In addition to its exclusionary nature, attention has also been called to Habermas' privileging of a hegemonic public sphere. Michael Warner argues that the bourgeois public sphere was structured to be affable to those privileged few who made up the powerful upperclass. While students participating in public sphere pedagogy application receive special training in their classrooms, the same is not necessarily true of community members who participate. This specialized student training draws two critiques. First, conceiving of public pedagogy as a form of instruction risks