What are the main natural reasons for the landing of Shenzhou VII spacecraft in Siziwangqi, Inner Mongolia?

The main natural reasons for the landing of Shenzhou VII spacecraft in Siziwangqi, Inner Mongolia are low air pollution and high atmospheric visibility, which is beneficial to survey and grasp.

Shenzhou VII was launched on September 25, 2008 and entered the scheduled orbit; On September 27th, 2008, he went out of the cabin to complete China's first spacewalk. On September 28, 2008, the return procedure was entered, and the return capsule landed safely in the scheduled area of Inner Mongolia, completing the manned space flight mission.

Extended data:

Landing point of Shenzhou VII:

The main landing site is located in the west of Sunite Right Banner in Inner Mongolia, with an area of (60×60) square kilometers, and there is an emergency expansion area around it, which extends to 170 kilometers. The auxiliary landing site is located in the southeast of Jiuquan Satellite Launch Center, and its normal area and expansion area are equivalent to those of the main landing site.

Crash landing is divided into four parts. The first is the rocket ascent stage. There are two crash landing areas in the rising stage, which are divided into crash landing area on land and crash landing area on the sea. The emergency landing on land is divided into 1 responsibility area, No.2 responsibility area and No.3 responsibility area, with a length of nearly 1.860 km.

There are also three emergency landing zones at sea, which are divided into zone A, zone B and zone C, of which zone A is more than 900 kilometers long, zone B is more than 600 kilometers long and zone C is nearly 400 kilometers long, all of which are 100 kilometers wide.

Baidu Encyclopedia-Shenzhou VII spacecraft