3 ms·
That depends on how ready you are to dismiss the existing observational evidence for it. While it's by no means proven to exist, it's not something predicted by
by philipov 9y ago
That depends on how ready you are to dismiss the existing observational evidence for it. While it's by no means proven to exist, it's not something predicted by theory, so it's unfair to call it that. Supersymmetry, for example, is purely theoretical; whereas dark matter is a response to observations that contradict theory.