Expedition 35/36 NASA astronaut Chris Cassidy, left on screen, is seen on a live feed from the International Space Station as they participate in a public event at NASA Headquarters observing the first anniversary of the Curiosity rover's landing on Mars, Tuesday, August 6th, 2013 in Washington. Photo Credit: (NASA/Carla Cioffi)
Photographer NASA/Carla Cioffi
Date August 6, 2013