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Define "directly". The definition of dark matter is that it's electromagnetically non-interacting, therefore observing it's gravitational effect is as direct as
by layoutIfNeeded 7y ago
Define "directly". The definition of dark matter is that it's electromagnetically non-interacting, therefore observing it's gravitational effect is as direct as it gets.
- DagAgren 7y agoSince we do not know what exactly it is, defining "directly" is not really something you can do. But, for instance, electroweak interaction is being looked at, I gather?