Spheres

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About Spheres

A sphere is a symmetrical geometrical object. In non-mathematical usage, the term is used to refer either to a round ball or to its two-dimensional surface. In mathematics, a sphere is the set of all points in three-dimensional space (R3) which are at distance r from a fixed point of that space, where r is a positive real number called the radius of the sphere.

A Simple Rule - It must be a sphere or a ball if you will. If it's flat like a plate then it is round and not a sphere. If it's irregular like a rock then it's not a sphere. We are not looking for circles hoops, ovals, blobs, or spheroids.

Lets see what interesting ideas you can come up with.



It would also be nice if you could be kind and leave comments on the photos you see here. We won't require you to leave comments but don't you enjoy getting them too? Use the following code to let them know where you found their photo.

-Seen in <a href="http://www.flickr.com/groups/spheres">Spheres</a>