The age of space exploration began in 1957, when Sputnik 1 was launched by the Soviet Union. It marked the beginning of the "space race" between the US and the USSR. After the US putting a man on the moon in 1969, interest faded and the number of manned flights dropped off. Recently...
二、阅读课文“SPACE:THE FINAL FRONTIER”,选择最佳答案1. When was the Sputnik 1 launched and successfully orbited around Earth? A A. On 4 October 1957. B. On 5 September 1977. C. On 20 July 1969. D. On 12 April 1961.2. Yang Liwei successfully orbited Earth in the Shenzhou A space...
When was Sputnik launched? When was the first constellation discovered? When was Ursa Major discovered? What is Comet West's period? Who discovered comet Hale-Bopp? When were planetary systems other than ours discovered? When was the last time Halley's Comet came before 1986?
How old is the planet Saturn? What happened to the Apollo spacecraft? When was NASA invented? When was the space shuttle Enterprise built? Who launched the International Space Station? Where was the first space shuttle built? Was Sputnik the first satellite in space? How hot did the flames ...
The Soviet Union became the【6】 of the race when it launched the first satellite and sent the first astronaut into space. 1969 The United States 【7】 in putting a person on the moon. In one way, it 【8】 the Soviet Union by becoming the first country to fly people to the moon. ...
BThespace age began in 1957 when the Soviet Union launched (发射)Sputnik l. Itwas the world's first manmade satellite(卫星).In 1957, the Soviet Union also launched Sputnik 2 with a dog namedLaika. Laika was the first animal to orbit(沿轨道运动)the earth. In 1961, Yuri Gagarin bec...
After many experiments, they succeeded in making rockets that could做某事无数次实验之后他们终于成功研制出能够摆determine/d't3:mm/vt.查明;确escape Eaths grait. On4 Otober 1957the Sputik 1 saete@ wa launched@ by定;决定①Sputnik/'spAtnrk/1“旅伴一号”脱离地心引力的火箭。1957年10月4日,“...
Orbits around the Earth ultimately depend on the full mass distribution andgravitational fieldof the Earth (which is whatSputnik-1was nominally launched to map)—and both this, and the reverse effect from the Moon, come in at the level. At the ...
Fifty years after the Soviet Union launched Sputnik the world’s first man-made satellite China’s first circumlunar(绕月的)satellite Chang’e 1 took off on Oct.24 2007 which became another milestone(里程碑) in China’s space achievements after the above-mentioned manned flights. Chang’e 1...
When was Sputnik launched? When was Project Apollo? What happened with Russia and Project Mercury? Where was the planet Mercury discovered? Were there any unexpected outcomes of Project Mercury? What spacecraft was used for Project Mercury? What is the history of Mercury? When was the planet Ma...