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Watch out! China’s Out Of Control Space Station Will Soon Fall To Earth

Tiangong 1, China’s first space laboratory, will come to a fiery end in late 2017. The average decommissioned satellite either burns up over a specific ocean region or is ejected to a far-off orbital graveyard. But Tiangong 1’s demise is shaping up to be something different.

Chinese officials appeared to admit during a Sept. 14 news conference in Jiuquan that they had lost control of the station.

“Based on our calculation and analysis, most parts of the space lab will burn up during falling,” Wu Ping, a director at China’s space engineering office, said during the conference. A day later China launched Tiangong 2, the lab’s successor, aboard a Long March 7 rocket.

Wu added that China is monitoring the space station for collisions with other objects. And Xinhua, China’s government-run news agency, reported that the Chinese space agency may need to release an international forecast for where Tiangong will land at a later date — an uncertainty that seems to indicate the descent is uncontrolled.

Soon after, rumors surfaced that China no longer had control of the spacecraft. In June, amateur satellite tracker Thomas Dorman of El Paso warned Space.com that, based on his observations, the eight-ton space lab was out of control.

“If I am right,” Dorman said at the time, “China will wait until the last minute to let the world know it has a problem with their space station.”

Harvard University astrophysicist Jonathan McDowell agreed that China’s announcement on Wednesday indicated the spacecraft will fall where it may.

“You really can’t steer these things,” McDowell told the Guardian. “Even a couple of days before it re-enters we probably won’t know better than six or seven hours, plus or minus, when it’s going to come down. Not knowing when it’s going to come down translates as not knowing where it’s going to come down.”

Although much of Tiangong 1 will disintegrate, McDowell predicted that 200-pound pieces — the tougher remnants of, say, rocket engines — could withstand the trauma of re-entry.

Even though China may not be able to steer Tiangong 1’s flaming corpse into a specific spot, humans will likely be unharmed. The odds are very low it will fall in an inhabited area: Roughly speaking, half of the world’s population lives on just 10 percent of the land, which translates to only 2.9 percent of Earth’s surface. (By way of context, going back the last 1,000 years, no meteorite has killed a person.)

This would not be the first uncontrolled landing, either. President Jimmy Carter issued an apology to Australia in 1979, after the 77-ton Skylab fell to Earth. The wreckage landed near a remote Australian town. Although no one was injured, the Australian town fined the United States $400 for littering. A California radio DJ finally paid the fine in 2009.

(via: Washington Post)

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