On the 5th, the Russian National Space Corporation announced the successful launch of "55 satellites with one rocket", including 2 "ionospheric M" observation satellites and 53 small satellites belonging to Russia and other countries. According to the website of the Russian National Space Corporation, at 2:18 Moscow time on the 5th (7:18 Beijing time), the "Soyuz 2.1b" carrier rocket carrying 55 satellites was ignited and launched from the Dongfang Space Launch Site in Amur Oblast, Russian Far East. After several hours of flight, all the above satellites were sent into their designated orbits. It is reported that the "Ionosphere-M" satellite weighs 430 kilograms and has a working orbit altitude of 820 kilometers. It will be used to observe physical phenomena in the Earth's ionosphere, electromagnetic field disturbances, and ozone levels in the Earth's atmosphere. The Russian side reported that one of the small satellites launched this time was jointly developed by students from Amur State University in Russia and Harbin Institute of Technology in China. (New Society)