Image: STS-131 ISS-23 Four Astronauts
Description: Four astronauts on the International Space Station pose for a photo in the Zvezda Service Module while space shuttle Discovery remains docked with the station. Pictured clockwise from the lower left are NASA astronauts Tracy Caldwell Dyson, Expedition 23 flight engineer; NASA astronaut Dorothy Metcalf-Lindenburger, Japan Aerospace Exploration Agency (JAXA) astronaut Naoko Yamazaki and NASA astronaut Stephanie Wilson, all STS-131 mission specialists.
Title: STS-131 ISS-23 Four Astronauts
Credit: http://spaceflight.nasa.gov/gallery/images/shuttle/sts-131/html/s131e007954.html
Author: NASA
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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