Right, which is why it quickly led to the detection of dark matter...hmm. I think a better analogy would be "that approach is exactly how we explain failing to

Right, which is why it quickly led to the detection of dark matter...hmm. I think a better analogy would be "that approach is exactly how we explain failing to find planets like Vulcan; we hypothesize that they are made of as-yet-unknown stuff that you can't see, touch, hear, smell, or in fact detect at all. But we know they're there because our calculations say they are."