This journey of discovery extends from the mundane to the cosmic—from the flight of birds and the colors of flowers to the clusters of galaxies and the fundamental questions of the universe's creation...This journey of discovery extends from the mundane to the cosmic—from the flight of birds and the colors of flowers to the clusters of galaxies and the fundamental questions of the universe's creation. Similarly, physicists from ancient times to the present have sought to understand the forces that govern the motion of the planets and the properties of light and gravity that influence our everyday lives.
