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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The Ringed Planet at Its Finest! Jun 21, 2018

Week of June 24-30, 2018 The man who flew a kite in a lightning storm so that we might one day have electricity and penned such poignant words as "in this world nothing can be said to be certain, except death and taxes," the great 18th-century politi... Read More

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Analemma and the Solstices Jun 14, 2018

Week of June 17-23, 2018 I'm always impressed by my readers' attention to details. It frequently shows up around this time of year with some great questions. For example: "If the first day of the Northern Hemisphere summer (this year the solstice occ... Read More

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A Beautiful Sight at Dusk Jun 07, 2018

Week of June 10-16, 2018 Have you been watching the remarkable jewel sparkling in the western sky after sunset? Some may have missed it because of thick clouds or mountains blocking the view, but as June progresses you'll see it climbing higher in th... Read More