Language selection


Top of page

Canadian astronaut Bob Thirsk

Canadian astronaut Bob Thirsk undergoes a BISE (Bodies in the Space Environment) session. The purpose of the Canadian experiment, developed by York University, is to find out how astronauts determine up from down in a weightless environment. (Credit: NASA)

View in high resolution


File size: 2.49 MB
Image size: 2400 x 1921 pixels
Resolution: 300 dpi

Photo taken on July 14, 2009

Date modified: