For nearly five decades, Dennis Mammana has delivered the wonder and mystery of the cosmos to audiences around the world. With   a   degree   in   physics   and   astronomy   from   Otterbein   College   (now   Otterbein   University),   he   was   one   of only    two    astronomy    graduate    students    admitted    to    Vanderbilt    University    in    1973.    His    research    there included   using   the   24-inch   (0.61-meter)   telescope   at   the   Arthur   J.   Dyer   observatory   to   conduct   a   year-long photometric study of optical variability in the nuclei of three distant Seyfert Galaxies. After   graduate   school,   Mammana   was   selected   from   a   field   of   55   applicants   for   a   coveted   internship   at   the world-famous   Strasengurgh   Planetarium,   and   has   since   held   positions   at   the   Smithsonian   Institution's National Air & Space Museum, the University of Arizona, and San Diego's Reuben H. Fleet Science Center. His   original   planetarium   programs   have   been   enjoyed   from   New   York   to   Calcutta   to   Brisbane,   and   in   their production   he   has   directed   such   luminaries   as   actors   Burgess   Meredith   and   Patrick   Stewart,   and   has   collaborated   with   science   fiction icon   Arthur   C.   Clarke.   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   popular   astronomy―including   the   first-ever   book   about   the   search for   extra-solar   planetary   systems―as   well   as   hundreds   of   popular   magazine   and   encyclopedia   articles. Since   1992,   he   written   Stargazers ,   the   only   syndicated   newspaper   column   about   astronomy,   now   in   its   27th consecutive year. As   a   noted   and   accomplished   night   sky   photographer,   his   stunning   celestial   imagery   has   earned   him   a invited   membership   in   TWAN    (The   World   at   Night).   He   is   one   of   only   six   representing   the   U.S.   in   this   elite international   team   of   the   most   highly-acclaimed   and   experienced   night   sky   photographers   on   the   planet. April 2018 marked the 50th anniversary of his first published photo. A    dynamic    public    speaker,    Mammana    has    entertained,    inspired    and    informed    audiences    at    resorts, museums,   corporate   events   and   with   cruise   lines,   including   Sitmar,   Radisson   Seven   Seas,   Hurtigruten,   Royal   Caribbean,   and   more.   In January   2019   he   returns   for   his   23rd   year   as   an   invited   enrichment   lecturer   with   Crystal   Cruises,   the   world’s   most   awarded   luxury   cruise line. Since   the   mid-1980s,   Mammana   has   led   many   public   aurora   borealis-,   comet-   and   total   solar   eclipse-observing   expeditions   on   six continents and, since 1994, has been a popular astronomical and photographic lecturer on tours offered by MWT Associates . He   has   hosted   a   weekly   astronomy   news   segment   on   San   Diego's   KUSI-TV,   and   co-hosted   "Quarks   to   Quasars"   on   UCSD-TV   as   well   as the   Emmy   Award-winning   documentary   "San   Diego   Night   Sky"   with   KPBS-TV.   He   is   the   recipient   of   the   Robert   Burnham   Jr.,   Award   for Exceptional   Service   in Astronomy   from   the Astronomical   League   and   the   Special Achievement Award   from   Otterbein   College.   In   2009   his astronomical   contributions   to   the   community   of   Borrego   Springs   (the   only   International   Dark   Sky   Community   in   California)   were honored as he was named Grand Marshal of the 44th Annual Borrego Days Desert Festival. To   learn   more   about   him   and   his   work―and   to   see   his   public   lecture   &   tour   schedule―please   visit   his   website ,   "Like"   and   follow   him   on Facebook and on Twitter , and subscribe to his free e-newsletter StarTrails  so you don't miss any of his upcoming events! 
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