China launched its first satellite Dong Fang Hong I (DFH I) to earth orbit on April 24, 1970, becoming the fifth country in the world to independently launch satellite following the USSR, USA, France and Japan. China launched its first satellite Dong Fang Hong I (DFH I) to earth orbit ...
"There was a big competition between us and America: who will launch the first space satellite? It turned out, we were the first one." The Soviet Union launched the first man-made satellite, Sputnik, in 1957. It was a 58-centimeter metal ball with four wire transmitters. The satellite ...
China launched its first manned spacecraft(航天飞机) into orbit(轨道) from the China Jiuquan Satellite Launch center in Northeast China's Gansu Province. The large, white long March Ⅱ-F rocket carrying a Shenzhou-V spacecraft and China's astronaut(宇航员) Yang Liwei rose up into deep space...
阅读理解。 The moon is the earth's largest and only natural satellite. A satellite is a small body that goes around a planet. The first man-made satellite went into the orbit in 1957. By 1968 there were over three hundred satellite
Chinalaunchedits first manned spacecraft(航天飞机) into orbit(轨道) from the China Jiuquan Satellite Launch center in Northeast China's Gansu Province. The large, white long March Ⅱ-F rocket carrying a Shenzhou-V spacecraft and China's astronaut(宇航员) Yang Liwei rose up into deep space at...
阅读理解。 A China launched its first manned spacecraft(航天飞机) into orbit(轨道) from the China Jiuquan Satellite Launch center in Northeast China's Gansu Province. The large, white long March Ⅱ-F rocket carrying a Sh
BEIJING, April 24 (Xinhua) -- The Space Day of China, which falls on April 24, is more special this year, as it marks the 50th anniversary of the successful launch of Dongfanghong-1, the country's first man-made satellite. It listed China as the fifth country in the world to develop...
1. First artificial earth satellite: Sputnik Sovfoto/Universal Images Group/Getty Images Soviet technician working on Sputnik 1, 1957. The Soviet Union launched Sputnik 1, the first manmade object to orbit the earth, on October 4, 1957, to little fanfare. In fact, the official Soviet news ...
The mission marked the crowning moment for a program launched by Mao Zedong in 1958 but quickly left far behind in the Cold War ―space race‖ rivalry that saw the United States put a man on the moon in 1969.A year later, China launched its first satellite aboard a Long March rocket, ...
Satellite orbit forecast in short arch with single sit; 单站短弧段人造卫星轨道预测 2. Based on the work of Chunlei R,deduce the mathematical model of attitude and shape control ofsatellitewith articulated appendages,and the model define on the configure space SO(3)×T~M,design PD and adaptive...