LOS ANGELES, CA - JULY 22: Paula Apsell, Series senior executive producer speaks onstage at the NOVA "Ultimate Mars Challenge" panel during day 2 of the PBS portion of the 2012 Summer TCA Tour held ... more 
LOS ANGELES, CA - JULY 22: Paula Apsell, Series senior executive producer speaks onstage at the NOVA "Ultimate Mars Challenge" panel during day 2 of the PBS portion of the 2012 Summer TCA Tour held at the Beverly Hilton Hotel on July 22, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images) less 
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Getty Images | Photo By Frederick M. Brown / Getty Images
Sun, Jul 22, 2012 10:04 PM EDT