(宇宙体)
宇宙
all that exists in the physical world, such as space, planets, galaxies, etc.
( cosmos)
宇宙
the universe, particularly when it is thought of as a systematic whole
(银河系)
星系
a large number of star systems bound together by gravitational force
(宇宙学)
天文学
a branch of science that studies space, planets, etc.
Astronomy is the scientific study of celestial bodies like stars, planets, moons, and galaxies, as well as the phenomena that occur beyond Earth's atmosphere. It involves observing the universe to understand its origins, structure, and evolution. Astronomy not only helps us learn about the cosmos but also provides insights into the fundamental laws of physics and the potential for life beyond Earth.
(银河系)
银河
a pale band of light seen in the sky at night that contains the solar system and billions of other stars
语法信息:
(太阳系的行星)
太阳系
the sun and the group of planets orbiting around it, including the earth
语法信息:
(宇航)
航空航天
the earth's atmosphere and the space beyond it
(引力)
重力
(physics) the universal force of attraction between any pair of objects with mass
(天文工作者)
天文学家
a scientist who studies or observes planets, stars, and other happenings in the universe
(星群)
星座
a specific group of stars that form a pattern and have a name related to their shape
(日光的)
太阳的
related to the sun
(与月亮有关的)
月亮的
relating to the moon
(宇宙大爆炸)
大爆炸
the explosion that, according to most scientists, caused the existence of the universe
语法信息:
(暗洞)
黑洞
a place in the space with such high gravity that pulls in everything, even light
语法信息:
(慧星)
彗星
an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail
( Cosmic 的)
宇宙的
related to the universe and the vast space outside the earth
(陨石)
流星
a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
(流星石)
陨石
a piece of rock or metal from space that has hit the surface of the earth
(月食)
日食
a period during which the sun or the moon is shadowed by a dark circle
(外星生物)
外星人
a creature that is believed to exist in other worlds or planets
(人造卫星)
卫星
an object sent into space to travel around the earth and send or receive information
(绕行)
围绕
to move around a star, planet, or a large object in space
语法信息:
(轮换)
旋转
the action of circular movement around a fixed point
(航天员)
宇航员
someone who is trained to travel and work in space
(航天器)
宇宙飞船
a vehicle designed to travel in space
(使命)
任务
an operation carried out in space
语法信息:
(投放)
发射
to send an object, such as a satellite, missile, etc., into space
语法信息:
(不明飞行者)
不明飞行物体
a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world
语法信息:
(航行)
航程
a long journey taken on a ship or spacecraft
(美国国家航空和宇宙总署)
美国国家航空航天局
a US government agency responsible for space travel and the study of space
(射线)
光线
a narrow beam of light, heat, or other form of energy
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