In today’s leading model of cosmology, most of the universe is invisible: about 95 percent of the universe is made up of dark matter and dark energy. Scientists still do not know what either one actually is, but their influence is unmistakable….
In today’s leading model of cosmology, most of the universe is invisible: about 95 percent of the universe is made up of dark matter and dark energy. Scientists still do not know what either one actually is, but their influence is unmistakable….