Recent content by eksxxx

Could we have electromagnetic waves (light) that if depicted 2D look like 2 half circles from all directions?

Thats from Wikipedia NGC 1999. There might be something but it should be insignificant.

Please share the information you have about this topic, post only valid articles and research. By "blocks of empty space within the known universe" I mean blocks of space that are free of both matter and light i.e. there is no light or matter within that space;empty and dark. And the known...