In The 4% Universe: Dark matter, dark energy, and the race to discover the rest of reality, Richard Panek explains how we came to know so little
IT IS an embarrassment, to say the least. Scientists have no idea what most of the universe is made of. In fact, a whopping 96 per cent of it is made of something whose very nature we are at a loss to describe – something utterly unlike the ordinary matter that makes up stars and galaxies, planets and moons, birds and bees.
Of that 96 per cent, about one-quarter is that mysterious stuff known…
