Bob Englehart, 4/5/13:
"And when I say "feel it," I mean that we can detect its gravitational influence on all of the matter we can see, and thus make predictions of what dark matter must be and how it will influence matter in the future.
"Then, we test those predictions, and keep refining our predictions until they're as close to observed reality as we can get them -- no theory is ever 100% perfect, but it's always getting better as we get more data!
"And how are things in your line of work, Reverend? Changing any dogma to better fit the observed universe yet?"
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