China has successfully launched a key module of its new space station – but the 20-tonne vehicle that delivered it into orbit looks set to plummet back to Earth in an “uncontrolled” descent that could lead to it landing anywhere between North America and New Zealand.The Long March 5B rocket carried the 22.5-metric-ton Tianhe module into a stable earth orbit on Thursday, April 29.
But the massive rocket is now itself in a deteriorating orbit around the earth and, according to some ground observers, is tumbling out of control.The Long March is designed, unlike most expendable rocket first stages, to attain orbital velocity along with its payload.
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