fromwww.scientificamerican.com
6 days agoChina's Astronaut Woes Are Far from Over
Three Chinese astronauts who had been stranded for days in space after a suspected piece of space junk hit their spacecraft are back on Earth, the China Manned Space Engineering Office (CMSE) announced on Friday. The agency also revealed that it had found tiny cracks in one of the windows of the crew's Shenzou 20 return capsulerendering it unusable. The astronauts instead returned onboard the Shenzhou 21 spacecraft, which had originally been used by Shenzou 20's replacement crew.