我国自行研制的“中星”20号通信卫星于2003年11月15日在西昌卫星发射中心由“长征”三号运载火箭发射升空。从10月16日我国首次载人航天飞行圆满成功到11月15日“中星”20号卫星成功发射,短短一个月内,中国航天四次发射,四次告捷,创造了新的辉煌纪录,标志着我国航天技术、科研生产水平、 China’s self-developed “Star” No. 20 communications satellite was launched at the Xichang Satellite Launch Center on November 15, 2003 by the “Long March” No.3 launch vehicle. From the successful launch of our first manned space flight on October 16 to successfully launch “China Star” No. 20 on November 15, within a matter of a month, China Aerospace launched its four launches and won four successful victories, creating a new brilliant record. , Marking China’s space technology, research and production levels,