Astronaut Piers J. Sellers moves along a truss on the International Space Station, while space shuttle Discovery is docked in July 2006. Photo: NASA
Floating 190 miles above the Earth's surface, the extraplanetary crash pad known as the International Space Station careens through the sky at an average of over 17,000 miles per hour, making almost 16 Earth orbits a day.
Set for completion in 2011, it's been 10 years since construction first began on the ISS. The final version will double its current capacity of three residents to six and provide incalculable contributions to science. In honor of its 10th birthday, we've assembled some of our favorite photos from the space station's lifetime. Click through the gallery for a glimpse at one of the world's most impressive sci-fi realities.
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