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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The Return of Jupiter Mar 30, 2017

Week of April 2-8, 2017 What a great way to begin springtime. Jupiter is back in our night sky, and no one could be happier. Oh, sure. Everyone talks about the stunning rings of Saturn, the glistening crescent of Venus or the ruddy red hue of Mars,... Read More

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Realm of the Galaxies Mar 23, 2017

Week of March 26-April 1, 2017 After the moon sets this week, get away from bright city lights and take a gander at a pristine rural sky. If you do this, I recommend you sit back, relax and think about what lies before you. Every light you see in t... Read More

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Finding the Horse and Rider Mar 16, 2017

Week of March 19-25, 2017 We terrestrial stargazers have it easy. We orbit a single star, and we look out at the starry heavens and believe that all stars are like the sun. In some ways that's true. All are globes mostly composed of hydrogen that s... Read More