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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Mars and Its Rival Jan 16, 2020

Week of Jan. 19-25, 2020 If you're like most folks, you don't like to rise before the sun to head out into the cold winter air and gaze skyward. But this week, you must, for a historically significant sight is waiting there for you to enjoy. As dawn... Read More

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The Celestial Giraffe Jan 09, 2020

Week of January 12-18, 2020 Every week, I try to present a feature of the night sky that's fairly easy for stargazers to spot; sure it might take a little effort, but there's nothing wrong with that. So this week, I thought I'd offer you a bit more o... Read More

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Twinkle, Twinkle, Little Star ... Jan 02, 2020

Week of Jan. 5-11, 2020 It began as a five-verse poem called "The Star" that appeared in the 1806 publication "Rhymes for the Nursery." More than three decades later, this poem by Ann and Jane Taylor was set to music — a 1761 French folk tune t... Read More

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The First Meteor Shower of 2020 Dec 26, 2019

Week of Dec. 29, 2019 - Jan. 4, 2020 If you missed the spectacular Geminid meteor shower of mid-December — and many of us did because of bright moonlight — you've got another chance. Not with the Geminids, of course — they won't ret... Read More