I agree. As a casual observer of these things, you read about ‘dark matter’ and come away with the impression that it’s, you know, matter. But it’s really just

I agree. As a casual observer of these things, you read about ‘dark matter’ and come away with the impression that it’s, you know, matter. But it’s really just a bookmark, a placeholder for “our calculations are wrong, so we’re going to make something up.” It’s basically the physicist version of Kevin Malone’s “A mistake plus keleven gets you home by seven."