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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Our Dusty Solar System Mar 21, 2019

Week of March 24-30, 2019 One of my least favorite household chores is dusting. Here in the desert, if I let it go for longer than a week, I can trace my name in dust on the TV screen. After a month, geologists could easily do sediment dating there!... Read More

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Spring is Coming! Mar 14, 2019

Week of March 17-23, 2019 Spring is about to ... well, spring! At least in the Earth's Northern Hemisphere anyway. This year's official onset of spring will occur on March 20 at 2:58 p.m. PDT (5:58 p.m. EDT). Astronomers are fond of saying that the f... Read More

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A Rivalry of Cosmic Proportions Mar 07, 2019

A Rivalry of Cosmic Proportions
Gazing into the dark, starry heavens of a cool springtime evening is a delightful and tranquil experience. One of the most dramatic events we may witness is watching... Read More