North Korea announced the successful launch of earth observation satellite "star No. 4" – in the new network Beijing on February 7, according to the Korean Central News Agency reported, North Korea’s National Space Development Agency in the local time, 7, released on the successful launch of earth observation satellite "star," bulletin. The communique said, local time February 2016 7, 9, North Korea’s National Space Development Agency in North Pyongan cholsan sohae launch site, with "Star" carrier rocket successfully launched the new development of earth observation satellite "star IV". After 46 minutes and 9 seconds, the satellite successfully entered orbit. Communique said that the angle of the satellite orbit is 97.4 degrees, near the location of 494.6 km, 500 km away from the site, the cycle of 24 minutes and 94 seconds. Measurement equipment and communication equipment required for the loading of the satellite. Communique pointed out that a "Fourth" satellite launch has been completely successful, "North Korea in the exercise of their peaceful use of space rights to development in the national science and technology, economic and defense strength is epoch-making events". Communique also said that the North Korean National Space Development Agency will follow the North Korean Labor Party attaches great importance to science and technology policy, to continue to launch more satellites.