However, given China's confidential way of doing things, it has not released every detail about the Tiangong-1's design and hence the experts were not sure how much percentage of the station would survive the re-entry in the atmosphere. But no one knows for sure.
The lab will likely enter the atmosphere between 31 March and 4 April 2018, according to Beijing Aerospace Control Centre and other agency estimates.
The approximate re-entry location can not be decided until the last two hours before it starts to fall based on worldwide precedents, he said. "There's still a fair amount of uncertainty". So a controlled re-entry was no longer possible.
Tiangong-1 was put into orbit on September 29, 2011 as a stepping stone towards the launch of China's first full-size space station, which is expected to be completed in the early 2020s. China sent two crewed missions to the outpost while it was still operational, but the space station has hosted no astronauts since 2013.
Jonathan McDowell, an astrophysicist from Harvard University, recorded the speed of Tiangong-1 at about 6km a week, faster than its recorded speed at 1.5km in October. In July 1979, for example, NASA's 85-ton Skylab space station burned up over the Indian Ocean and Western Australia.
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Tinagong-1's orbit has always been decaying - meaning that Earth's gravity draws it a bit closer with each orbit it makes around our planet. Tiangong-1 was flying 168 miles (270 kilometers) at the time. It will be impossible to narrow down the location until a couple of hours prior to reentry.
"If it happens to be falling in an area where you'll be able to see it, then it should be pretty obvious if you're looking up at the night sky", Parks said.
According to the European Space Agency and space debris experts the chances of being personally hit by a piece of space metal are practically zero, especially in Malta.
In 1979, first U.S. space station, the 74-ton Skylab, fell to Earth and the same year there were two more instances where a Skylab station fell on Earth causing no harm to human life, CNN reported. In 1997, a woman in Tulsa, Oklahoma got hit in the shoulder by a small piece of a rocket's fuel tank but wasn't injured, the Aerospace Corporation reported. However, in March 2016 China announced that Tiangong-1 had stopped sending data back to earth.