Five Photons: Remarkable Journeys of Light Across Space and Time

Have you ever wondered what is the most distant source of lightwe can see, or how a star shines? Did you know that black holes canblaze like cosmic beacons across intergalactic space, and thatancient radio waves might herald the ignition of the very firststars? Have you ever thought about what light really is? FivePhotons explains what we know about the universe through fivedifferent journeys of light across space and time. They are talesof quantum physics and general relativity, stars and black holes,dark matter and dark energy. Let yourself be swept away on ajourney of discovery towards a deeper understanding of thecosmos.