A ring or sphere could, apparently, be stable if surrounded by the right sizes and gravities of other stars.

A sphere is a perfectly round solid figure. All points on the surface of the shape are the same distance away from the centre – we call this distance the radius. The formula for the volume and ...

That would be Orbi, the newly named emoji that takes over the exosphere – the world’s largest LED screen – of the Sphere on a daily basis. The moniker bestowed upon Orbi is in conjunction ...