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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Just Mooning Around Apr 19, 2018

Week of April 22-28, 2018 The moon shines beautifully in our evening sky this week, just as it does every month. We astronomers know the moon's patterns quite well, and we often schedule our observing programs around its obscuring light. Whenever I'... Read More

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The Lyrids Meteor Shower Apr 12, 2018

Week of April 19-25, 2018 I had just begun one of my popular outdoor night sky presentations the other night when the audience erupted with gasps and cheers. I wanted to believe that it was my witty and captivating repartee that inspired their excite... Read More

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Finding the Largest Constellation Apr 05, 2018

Week of April 12-18, 2015 If someone were to ask you which is the largest of all constellations, would you know? If you answered Hydra, you know more about the night sky than you admit. At this time of year, we can find Hydra, the water snake, low i... Read More