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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Return of the Dippers Feb 23, 2017

Week of February 26-March 4, 2017 It's amazing how stargazing often takes me back to my childhood, when I first gazed upon the night sky with wonder. Back in the early 1960s at my childhood home in Easton, Pennsylvania, my dad would sometimes go ou... Read More

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Spotting the Celestial Unicorn Feb 16, 2017

Week of February 19-25, 2017 Among the stars of the night sky lie constellations that derive from real and imaginary people, animals and objects, but rarely can anyone trace the images they represent. Take, for example, the flying steed known as Peg... Read More

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Crescent Venus at Dusk Feb 09, 2017

Week of February 12-18, 2017 It was during the early years of the 17th century that the Italian astronomer Galileo turned his new optic tube skyward. Many people believe that Galileo invented the telescope, but this just isn't so. The optical tool ... Read More