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'Out of control' China's Tiangong-1 space lab to hit Earth on Monday

Tiangong-1 was placed in orbit in September 2011, an important step in China's efforts towards building its own space station

AFP/PTI  |  Beijing 

China's Tiangong-1 space lab
China's Tiangong-1 space lab | Image: Twitter

A defunct space laboratory is set to become a celestial fireball as it re-enters earth's atmosphere in the next 24 hours, China's space authority said on Sunday, hitting speeds of over 26,000 kilometres an hour before disintegrating.

The is expected to make an uncontrolled earthbound plunge on Monday time, Manned Space said in a statement, an estimate roughly in line with projections.

The abandoned eight-tonne craft is unlikely to cause any damage when it comes down, but its fiery disintegration will offer a "splendid" show akin to a meteor shower, Chinese authorities said previously.

The re-entry window remains "highly variable" and the debris from the lab could land anywhere between the latitudes of 43 degrees north and 43 degrees south -- from to the American Midwest, the said.

There is "no need for people to worry", the Manned Space Engineering Office said earlier on its WeChat account.

Such falling spacecraft do "not crash into the Earth fiercely like in sci-fi movies, but turn into a splendid (meteor shower) and move across the beautiful starry sky as they race towards the Earth", it said.

- or "Heavenly Palace" -- was placed in orbit in September 2011, an important step in China's efforts towards building its own space station.

The module - which was used to practise complicated manual and automatic docking techniques - was originally intended to be used for just two years, but ended up serving considerably longer.

It had been slated for a controlled re-entry, but ceased functioning in March 2016. Space enthusiasts have been bracing for its fiery return since.

During its brief lifespan, it hosted Chinese astronauts on several occasions as they performed experiments and even taught a class that was broadcast into schools across the country.

began its manned spaceflight programme in 1990 after buying Russian technology which enabled it to become the third country to send humans into space following the former and the

sent another lab, Tiangong-2, into orbit in September 2016 as a stepping stone to its goal of having a crewed space station by 2022.

It also plans to send a manned mission to the moon in the future.

Chinese media has downplayed comments by the and others that the country's engineers have lost control of the lab, with reports saying that the idea it is "out of control" is an invention of the

On Chinese social media, commenters criticised the government's reluctance to own up to the situation.

"Can you or can't you report that you've lost control of the situation?" one commenter wrote on the Twitter-like

"It's not unusual that something this complicated would have a mishap.

First Published: Sun, April 01 2018. 16:54 IST