4 ms·
A sphere has two sIdes: an internal side, and an external side. This is why there are theories of “hollow earth”!
by informatimago 8y ago
A sphere has two sIdes: an internal side, and an external side. This is why there are theories of “hollow earth”!
- fabricexpert 8y agohuh? that would not be a sphere. A sphere has no internal sides it's solid all the way through
- tomstuart 8y agoFor what it’s worth, mathematically a “sphere” is the set of all points which are equidistant from its centre — it’s hollow all the way through. The solid version is called a “ball”.