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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First Man Oct 18, 2018

Week of Oct. 21-27, 2018 I haven't yet seen the new film "First Man" about Neil Armstrong's remarkable journey to the moon, but I'm looking forward to doing so soon. If you listen to tales from ancient China, however, they tell a different story. Yo... Read More

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Seeing the Sun at Night (Well, Sort of) Oct 11, 2018

Week of Oct. 14-20, 2018 The stars we see at night are like the sun, astronomers tell us. But just how true is that? Well, all are thermonuclear furnaces. In most cases, the cores of these stars are packed with hydrogen atoms that, under unimaginabl... Read More

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Seeing Double in Perseus Oct 04, 2018

Week of Oct. 7-13, 2018 We astronomers call them "faint fuzzies," and if you have a good dark sky away from city light pollution, you'll soon find that they're sprinkled all over the heavens. This odd moniker originates from the appearance of the obj... Read More