Space, the final dark frontier. But what is it? I just read an article in the December Discover magazine that says this “the universe contains 75 percent dark energy and 21 percent dark matter. Ordinary matter makes up just 4 percent of the total, and only about one-tenth of that – 0.4 percent – accounts for everything we see in the night sky.” So with all we know about the cosmos, we only know about 0.4 percent and that tiny sample is what we are making all these grand assumptions from? To top... Sign in to see full entry.