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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Messier's Celestial Goldmine Aug 13, 2020

Week of August 16-22, 2020 At this time of year, early-evening stargazers can tour one of the richest pieces of celestial real estate: the Milky Way. Viewing the Milky Way on a clear August night is a truly marvelous experience. Wispy bunches of sta... Read More

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Dog Days of Summer Aug 06, 2020

Week of Aug. 9-15, 2020 As much of the Earth's Northern Hemisphere swelters under the oppressive heat of late summer, pay close attention, and I'll bet that, before the season is out, you hear someone refer to this time of year as the "dog days of su... Read More

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The Sky Is Falling! Jul 30, 2020

Week of August 2-8, 2020 Few sights are as thrilling as the fiery spectacle known as a falling star, also called a shooting star or meteor. Astronomers cannot predict exactly when or where a meteor will appear, but each year during mid-August, skywat... Read More

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Who Was the First Astronaut? Yes, Indeed! Jul 23, 2020

Week of July 26 - August 1, 2020 One of my favorite stories about the moon comes from ancient China and tells of the world's first "astronaut," a brave soul named Wan Hu. No, this isn't the opening of an Abbott & Costello routine, but the story is ne... Read More