“Black holes, dark matter and dark energy seem to pretty much fit this description. They are, after all, inventions tacked on to calculations, in order to make theory and calculation fit observations.”
See http://en.wikipedia.org/wiki/Bullet_cluster for dark matter.
“Black holes, dark matter and dark energy seem to pretty much fit this description. They are, after all, inventions tacked on to calculations, in order to make theory and calculation fit observations.”
See http://en.wikipedia.org/wiki/Bullet_cluster for dark matter.