About Dennis Mammana

Dennis Mammana

Dennis Mammana

For more than three decades, Dennis Mammana has shared the wonder and mystery of the cosmos with audiences around the world. With a B.A. in physics from Otterbein College and an M.S. in astronomy from Vanderbilt University, Mammana has held positions at the Smithsonian's National Air & Space Museum, the University of Arizona, and San Diego's Reuben H. Fleet Science Center. He now works as an astronomy writer, lecturer and photographer from under the clear dark skies of Southern California's Anza-Borrego Desert. Mammana is the author of six books on astronomy, hundreds of popular magazine and encyclopedia articles and, since 1992, has written "Stargazers," the only nationally syndicated weekly newspaper column on astronomy.

As an accomplished night-sky photographer, his stunning images have appeared in a variety of media and international exhibitions, and can be enjoyed at his website, www.dennismammana.com. He is an invited member of TWAN — The World At Night — an international team of the world's most highly acclaimed sky photographers.

A dynamic public speaker, Mammana has entertained and informed audiences on six continents at resorts, on cruise ships and as an after-dinner speaker, and leads public tours to view and photograph such celestial displays as the aurora borealis and total solar eclipses. He makes frequent appearances on both radio and television.

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Seeing the Inner Planets at Dawn May 25, 2017

Week of May 28-June 3, 2017 It's always fun to ask stargazers why they believe that if Mercury is the planet closest to the sun, it's not the hottest of our solar system. That honor belongs to Venus, which is nearly twice as far from the searing hea... Read More

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Making Friends With Vega May 18, 2017

Week of May 21-27, 2017 Of all the books I've read during my 43-year astronomy career, my favorite isn't even an astronomy book; it's actually the inspirational and romantic autobiography of the late amateur astronomer and comet discoverer extraordi... Read More

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A Celestial Menagerie May 11, 2017

Week of May 14-20, 2017 Look back into history and you'll find that just about every indigenous culture on Earth developed its own unique set of constellations, and many were passed down to later generations. Modern Western stargazers inherited thos... Read More