Astronomical Wonders and Cosmological Mysteries

The Universe is Filled with an Ancient Radiation

By Arunabha Guha
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The Cosmic Microwave Background, or CMB, as detected by ESA's Planck satellite over the entire sky.

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Arunabha Guha
Arunabha Guha
Arunabha Guha received his Ph.D in particle physics from City University of New York. Retired after a long career in communications research at Bell Laboratories, he is currently a part-time faculty at Georgian Court University in New Jersey. His research interests include cosmology, general relativity and gravitation. He is also a puzzle enthusiast.

Editor’s Note:

This exploration continues in Part 2, where we follow the Universe’s story up to and beyond its first light into the unfolding drama of its history and evolution.

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  • Arunabha Guha

    Arunabha Guha received his Ph.D in particle physics from City University of New York. Retired after a long career in communications research at Bell Laboratories, he is currently a part-time faculty at Georgian Court University in New Jersey. His research interests include cosmology, general relativity and gravitation. He is also a puzzle enthusiast.
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