At the beginning of the century, discoveries about the hidden workings of the everyday world suggest all is not as it seems. Quantum theory, relativity, nuclear power, and clues about the birth and death of the universe have rocked our deepest beliefs. Mysteries of the Universe journeys from the subatomic world of the atom to the farthest reaches of space and time, and into the laboratories of the men and women whose work has forever altered physics and astronomy. Highlights include: George Ellery Hale and the Mount Wilson telescope. Henrietta Leavitt. Edwin Hubble. Albert Einstein. Niels Bohr and the Quantum Theory of Matter. The structure of the atom. Jocelyn Bell and pulsars. The size of the universe. The Big Bang. Black holes. Quarks. Super colliders. Unified field and string theories.