Five Photons: Remarkable Journeys of Light Across Space and Time
Sep 2020 · Reaktion Books
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192
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About this ebook
Have you ever wondered what is the most distant source of light we can see, or how a star shines? Did you know that black holes can blaze like cosmic beacons across intergalactic space, and that ancient radio waves might herald the ignition of the very first stars? Have you ever thought about what light really is? Five Photons explains what we know about the universe through five different journeys of light across space and time. They are tales of quantum physics and general relativity, stars and black holes, dark matter and dark energy. Let yourself be swept away on a journey of discovery towards a deeper understanding of the cosmos.
About the author
James Geach is professor of astrophysics in the Centre for Astrophysics Research at the University of Hertfordshire. He is the author of Galaxy: Mapping the Cosmos, also published by Reaktion Books.
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