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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How Far South Can You See? Jan 21, 2021

Week of Jan. 24-30, 2021 This week I spotted the star Canopus for the first time since last winter, and I was reminded of an interesting fact. Quite a few folks still believe the Earth is flat. Hard to believe, I know. Many of these people belong to... Read More

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Our Cosmic Ancestors Jan 14, 2021

Week of Jan. 17-23, 2021 We are made of star stuff. How often, over the years, have we encountered this phrase but never stopped to consider its true significance? Well, now is a great time to do so. When the universe we know came into being nearl... Read More

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The 'Linking' Star Jan 07, 2021

Week of Jan. 10-16, 2021 Many folks believe that constellations are celestial pictures and are disappointed when they can't see these fanciful images from ancient times. That's because constellations are not pictures but areas of the sky. Astronomer... Read More

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2021: A Year of Celestial Wonder Dec 31, 2020

Week of Jan. 3-9, 2021 The beginning of each new year is filled with hope and optimism. This year will be no exception, especially after the gut-punch we received from 2020. And with the new year comes a list of resolutions we swear we'll follow. How... Read More