China launched a space-station prototype known as Tiangong-1 into low-Earth orbit five years ago. Soon, it may come crashing back down to Earth. Find out why in the video below.
Is China's Space Station Falling?
The Tiangong-1 space station is only five years old. Why is it already coming down?
How To Build A Space Station
Hear about how the space stations of history were made.
America's First Space Station
Hear about Skylab, the space station made from spare parts.
Written by Curiosity Staff September 30, 2016
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