Chinese rocket in uncontrolled fall.

It is a section of a propellant of the great March 5 rocket, the piece is considerably large and heavy, it has between 21 and 23 tons, the calculations I carry out estimate that the re-entry into the atmosphere will occur between 30 and 31.

Alerts have already been issued from the US space command and the European Union's air safety agency has issued a security information bulletin today, Thursday, in which it could affect the airspace of southern Europe.

In its bulletin, the European Union Aviation Safety Agency recommended that national aviation authorities take into account the latest predictions for re-entry and adapt their risk assessments according to the evolution of the situation and the information available, but There are several details we need to know.

The rocket can hit the surface, the answer is that the entire rocket can't, most of it will disintegrate in the atmosphere.

According to the aerospace corporation, a reentry of the volume of the Chinese rocket section will not completely burn the atmosphere, it is estimated that between 20 and 40% will hit the ground.

The Chinese do it again, it is not the first time that it happens, it is normal that the re-entry is planned so that the rocket, satellite or an entire antiquated space station ends up falling on the ocean, if possible on the South Pacific since it is the area of ​​the planet with the least population and with the least maritime and air traffic.

Another strategy is to create rockets or satellites that can easily break apart and disintegrate on re-entry into the atmosphere.

There is a lot of controversy and also many accusations between nations about the security protocols that China follows, but not all Chinese rockets fall out of control, for example, on this map you can see the trajectory of a rocket if not long march 3B that made a controlled reentry and safe on May 3, 2021.

The largest artifact that has fallen to earth in an uncontrolled reentry was the US space station Skylab, weighing between 69 to 74 tons and falling to earth in 1979.

The 120-ton Russian space station Mir made a safe re-entry over the South Pacific in March 2001, the Tian Wu 1 or heavenly palace was a small Chinese space station of about eight and a half tons that became famous in the media because its fall It was uncontrolled, although in the end on April 2, 2018 it fell over the South Pacific.

The possibility of a human receiving the impact of a piece of space debris is extremely low, it must be remembered that 70 percent of the planet's surface is water and that deserts and uninhabited areas occupy large portions of the earth's surface, according to the European space agency that has an office dedicated to space debris at its headquarters in Germany, the probability that a person has of suffering the impact of a fragment is 10 million times less than the annual probability of being struck by lightning, in the same way we have to look for ways that the probability is zero, so everything will be calmer.

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