Is It Like Epicycles?

There's lots of possible theories in particle physics for dark mate candidates, but there's no good theory for what the dark energy could be. And i think youve got to say, if there's two things in the universe that we don't know what they are, is this like epicycles? We dont think we otarly useless sotyet. I think it's a bit fishy that we've got in a dark matter was kind of bad enough. But to have another ingredient when we have really no good theories, you've going to ask, is it like epicycling? Well, perhaps we should,. ad we should about dark energy, because wee mentioned it in