"The surface of the Earth is the shore of the cosmic ocean... Recently, we've managed to wade a little way out, and the water seems inviting." - Carl Sagan
First woman to command the International Space Station
In this image from Jan. 30, 2008, Expedition 16 commander Peggy Whitson, the first female commander of the International Space Station, participates in a seven hour, ten minute spacewalk. During the spacewalk, Whitson and astronaut Daniel Tani, flight engineer, replaced a motor at the base of one of the station’s solar wings.
Image credit: NASA