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a spacecraft with the purpose of cricling around a celectial obejct without landing on it
轨道器, 轨道飞行器
the study of the movements of stars and planets that are thought to affect people and the world
占星学
an object sent into space to travel around the earth and send or receive information
卫星, 航天器
all that exists in the physical world, such as space, planets, galaxies, etc.
宇宙
a large number of star systems bound together by gravitational force
星系
(astronomy) a shining point found in large numbers in the night sky
星星, 天体
a huge round object that moves in an orbit, around the sun, or any other star
行星, 天体
the large, bright star in the sky that shines during the day and gives us light and heat
太阳, 白昼之星
the sun and the group of planets orbiting around it, including the earth
太阳系, 太阳系
the path an object in the space follows to move around a planet, star, etc.
轨道, 运行轨道
a vehicle designed to travel in space
航天器, 宇宙飞船
clothing used by astronauts while traveling in space
宇航服, 太空服
A spacecraft designed to transport people or equipment between Earth and a space station or other celestial destination, typically capable of multiple trips
航天飞机, 太空船
a spacecraft that moves up by the force of the gases produced when the fuel burns
火箭
the universe, particularly when it is thought of as a systematic whole
宇宙, cosmos
a US government agency responsible for space travel and the study of space
美国国家航空航天局（NASA）负责美国的民用太空计划。
the circular object going around the earth, visible mostly at night
月亮, 地球的天然卫星
a piece of equipment by which the far objects, particularly those in space, are made clearly visible
望远镜, 天文望远镜
someone who is trained to travel and work in space
宇航员, 航天员
a place in the space with such high gravity that pulls in everything, even light
黑洞, 黑孔
the distance that light travels in a year (about 9.46 trillion kilometers)
光年, 光年
a pale band of light seen in the sky at night that contains the solar system and billions of other stars
银河, 银河系
| IELTS学术词汇 (分数5) |
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