C1级词汇表 - Astronomy

the earth's atmosphere and the space beyond it

航空航天

a branch of biology that deals with the study of life in space

天体生物学

having a connection to or originating in the Earth's atmosphere

related to the universe and the vast space outside the earth

宇宙的

the complete and round-shaped moon as seen from the earth

满月

the moon when only half of its bright surface can be seen from the earth

半月

the moon when only a small portion of its bright side is visible from the earth

新月

(of the sun or moon) to go out of sight below the horizon

落下

the explosion that, according to most scientists, caused the existence of the universe

大爆炸

the universe, particularly when it is thought of as a systematic whole

宇宙

any natural object in the space, such as the sun, moon, etc.

天体

a pale band of light seen in the sky at night that contains the solar system and billions of other stars

银河

a specific group of stars that form a pattern and have a name related to their shape

星座

(astronomy) the celestial zone in the sky where the sun, moon, and planets appear to move, traditionally divided into twelve equal segments, each associated with a distinct name and symbol

黄道

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

彗星

a star that is relatively small in size or mass and is not very bright

矮星

a planet that is outside the solar system

系外行星

a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light

流星

a piece of rock or metal from space that has hit the surface of the earth

陨石

a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation

星云

an exploding star that as a result is emitting a very large amount of light, more than the sun

超新星

a US government agency responsible for space travel and the study of space

NASA，国家航空航天局。

an operation carried out in space

任务

an astronaut from Russia or the former Soviet Union

宇航员

(of a spacecraft or aircraft) to leave the ground, particularly vertically

起飞

an imaginary line in the middle of an object around which the object revolves

轴

the action of circular movement around a fixed point

旋转

a vehicle designed and used to go to space and return multiple times

航天飞机

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

不明飞行物体

having or seeming to have no or little weight, caused by the absence of gravity

无重的