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Share with friends and circle of friends with wechat scan QR code < / P > < p > < p > surging journalist Zhang Jing < / P > < p > on March 22, Russian "alliance-2.1a" carried < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E7%81%AB%E7%AE%AD "> rocket < / a > carries 38 of 18 countries < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E5%8D%AB%E6%98%9F "> the satellite was launched from Baikonur launch site in Kazakhstan. < / P > < p > 18 countries include Russia, South Korea, Japan, Saudi Arabia, Canada, Britain, Germany, Spain, Brazil, Italy, Thailand, Israel, Argentina, United Arab Emirates, etc. Among the 38 satellites, cas500-1 satellite from South Korea is the main payload, and elsa-d satellite from Japan is the main payload_ blank" href=" https://news.163.com/news/search?keyword=%E8%88%AA%E5%A4%A9 "> Aerospace < / a >, Grus earth remote sensing microsatellite of Japan, najm-1 earth imaging and communication microsatellite of Saudi Arabia, communication satellite of Berlin Polytechnic University of Germany, and the first d33 satellite of Russian Higher Economic University. < / P > < p > < p > cas500-1, the South Korean observation satellite, has entered an orbit about 500km away from the earth. KBS South Korea International Radio reported that the satellite weighs 540 kg and is equipped with an optical camera with 0.5-meter black-and-white resolution and 2.0-meter color resolution. It will rotate around the sun synchronous orbit with an altitude of 497.8 km to provide ground observation images. The satellite is independently developed by South Korea, with a budget of about 160 billion won (about 900 million yuan). According to the Russian satellite news agency, the launch is Russia's fourth space launch mission in 2021. Rogozin, President of Russia's national aerospace group, once said that 29 space launches are planned this year. The launch of the soyuz-2.1a carrier rocket is the first time in 45 years that the color of the launch vehicle has changed from traditional gray orange to white blue. < / P > < p > the launch was scheduled for March 20, but it was delayed for two days. According to Russian satellite news agency sources in the field of rocket and aerospace, the reason is that the power supply system of the launch facility has a voltage jump, so the rocket system must be rechecked.

2023-03-22 10:04:30