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.

...

The Demon Star Oct 15, 2020

Week of Oct. 18-24, 2020 It's known as Algol, the Demon Star, and it glows diabolically in our sky each year as Halloween approaches. To find it this week, go outdoors during the early evening, and look low toward the northeast. The accompanying sky... Read More

...

Are We Alone? Oct 08, 2020

Week of Oct. 11-17, 2020 Who among us has never gazed into a starry night sky and wondered, "Are we alone in the universe?" With the hundreds of billions of stars in just our own Milky Way galaxy — many like our own sun — is it not possib... Read More

...

Encounter with the Red Planet Oct 01, 2020

Week of Oct. 4-10, 2020 It was Halloween eve 1938. Millions of war-jittery Americans listened as special news bulletins reported that the tiny town of Grover's Mill, New Jersey, had been captured by invaders from Mars. It was only a radio play ̵... Read More

...

Shine on Harvest Moon Sep 24, 2020

Week of Sept. 27 - Oct. 3, 2020 If you're looking to score some points with your sweetie, here's a great idea. Late on the afternoon of Wednesday, Sept. 30 or Thursday, Oct. 1, pack a romantic picnic and a blanket, and head toward a hilltop with a n... Read More