Yet another Chinese rocket is set to tumble uncontrollably back to Earth this week
The core stage of yet another Chinese Long March 5B rocket is set to tumble uncontrollably back to Earth this week after delivering the third and final module to China’s fledgling space station.
The first stage of a rocket, its booster, is usually the bulkiest and most powerful section—and the least likely to completely burn up upon reentry. There are ways to get around this issue. Engineers try to aim rockets so that their booster sections don’t escape into orbit, plopping them down harmlessly into the ocean instead. If boosters do make orbit, some are designed to fire a few extra bursts from their engines to steer them back into a controlled reentry.
The odds that someone will be harmed by the falling rocket are small and the risk to single individuals are even lower , according to The Aerospace Corporation. Nonetheless, as the rocket’s debris path fits over roughly 88% of the world’s population, it does put the odds of harm far above the internationally accepted casualty risk threshold for uncontrolled reentries of 1 in 10,000.
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