Sphere two poles is called the axis of rotation. Circles on the sphere that are parallel to the equator are lines of latitude. This terminology is also used for such approximately spheroidal astronomical bodies as the planet Earth (see geoid). Any plane that includes the center of a sphere divides it into two equal hemispheres. Any two intersecting planes that include the center of a sphere subdivide the sphere into four lunes or biangles, the vertices of which all coincide with the antipodal points lying on the line of intersection of the planes. The antipodal quotient of the sphere is the
Sphere (website) Sphere (website) Sphere was a blog search engine. The Sphere search engine delivered blog posts based on algorithms that combine semantic matching with authority factors to deliver results relevant to the search query. Sphere also organized bloggers by topic. The company produced an application called Sphere It! allowing users to seek blog posts related to news articles based on the contents of a particular web page they're viewing. The function was accessed from a browser navigation bar plug-in. Upon clicking the plug-in button, a semantic analysis was performed on the text within the page and blog posts related to the