John Glenn, the first American astronaut to orbit the earth, learned how to fly while attending college in 1939. During the day he studied chemistry, and in his spare time, he took flying lessons. Shortly after the 1941 attack on Pearl Harbor, he left college to join the Marines, flying...
John Glenn, First US Astronaut to Orbit Earth, Has Died at 95Sarah Scoles
SpaceX将首批平民游客送上太空 将绕地球飞行三天 SpaceX launches world’s first‘amateur astronaut’crew to orbit Earth 美国东部时间9月15日20时，SpaceX公司用猎鹰9号火箭发射载人龙飞船，将4名平民乘客送往太空，开展为期三天的绕地球之旅。这是SpaceX首次全民用、纯商业太空飞行，龙飞船上没有任何专业宇航员...
Two astronauts are stranded on the International Space Station (ISS). It's not the first time astronauts have had to hang in space longer than expected.
百度试题 结果1 题目 ① In 1957 the Soviet Union launched the first satellite to orbit( orbit ) the earth. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
百度试题 结果1 题目10. In 1957 the Soviet Union launched the first satellite to orbit (环绕) Earth. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
The spaceship that took the first human to orbit the Earth was called ___. A. Apollo 11 B. Sputnik 1 C. Vostok 1 D. Shenzhou 5 相关知识点: 试题来源: 解析 C。本题考查太空探索的重要飞船。选项 A 阿波罗 11 号是将人类送上月球的飞船;选项 B 斯普特尼克 1 号是第一颗人造卫星;选项 C...
因为那样会产生歧义，误解为在月球上发送信号。尤其是对听众而言，如在广播中听到，更是如此。
百度试题 结果1 题目7. In 1957 the Soviet Union launched the first satellite to orbit the earth. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
In early 1968, the Apollo program had conducted unmanned tests of the huge rockets required to go to the moon. As the Apollo 8 crew trained, Apollo 7, commanded by veteran astronaut Wally Schirra, lifted off as the first manned Apollo mission on October 11, 1968. Apollo 7 orbited the E...