User:Wesino/todo


 * Distance measures (cosmology) needs
 * to link to various sub-pages
 * explain differences between the various measures
 * perhaps a graph with them all on it?
 * box linking together the various types of measures


 * Horizon (relativity) needs
 * to exist
 * to link to the pages mentioned on the list in the Event Horizon article
 * box linking together different types of horizon


 * Penrose-Hawking singularity theorems needs
 * Just link over to the focusing theorem ..? on the Raychaudhuri equation page