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tiangong1

China'southward first space station had a good run, but information technology'due south about time for the Tiangong-1 to pack it in. China reports the station will autumn out of orbit old in March, but it doesn't know exactly when or where that will happen. There is some business that pieces of the 9.4-ton station volition reach Earth's surface, but y'all probably don't need to fret — the odds of information technology causing harm are remote.

China launched the Tiangong-1 module in 2011 as its offset manned infinite station, just it wasn't intended equally a long-term base like the International Infinite Station. Tiangong-ane was more a proof of concept — a way for the China National Space Administration to test its ideas most democratic orbital docking and modular space station design.

Chinese astronauts visited Tiangong-1 several times, most recently in 2013. Upon leaving, the crew gear up the station to slumber mode with the intention of leaving it that way for some time. Communist china's space agency wanted to track Tiangong-1 over the class of several years to examination the long-term viability of certain components, merely the station had already completed its intended mission. Thus, information technology wasn't a great tragedy when ground command lost contact with Tiangong-1 in 2016.

The cause of the communications failure isn't known, but teams around the world have been tracking the station remotely e'er since. That's how we know it'll crash to Earth at some point in March of this year. Furthermore, we know it'll well-nigh likely hit the surface between 43 degrees North and 43 degrees South latitudes. Function of the US is technically in the potential impact zone, simply it'due south more probable the droppings just ends upwards in the ocean.

crew-enters-tiangong-1

Crew entering Tiangong-ane for the first time.

When Tiangong-1 enters the atmosphere, nearly of the x-meter-long station will break up into tiny pieces, just the engines are probably too dense to break apart. Those 220 pound (100 kg) components are expected to reach the surface intact. Tiangong-i also carries a supply of Hydrazine propellant, which is highly toxic. As long every bit the engines don't state right side by side to your firm, there'south zip to worry about.

China will non be left without a infinite station when Tiangong-1 crashes to Globe. It launched the Tiangong-2 module in 2016, and it continues to operate normally. Chinese astronauts visited the Tiangong-ii in 2016, staying for 30 days. That was a record for Chinese-operated infinite stations and twice as long as astronauts lived on Tiangong-one.