托福必备词汇 - Space

all that exists in the physical world, such as space, planets, galaxies, etc.

宇宙

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

宇宙, cosmos

a large number of star systems bound together by gravitational force

星系

a branch of science that studies space, planets, etc.

天文学

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

the sun and the group of planets orbiting around it, including the earth

太阳系, 行星系统

the earth's atmosphere and the space beyond it

航空航天

(physics) the universal force of attraction between any pair of objects with mass

重力, 引力

a scientist who studies or observes planets, stars, and other happenings in the universe

天文学家

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

星座

related to the sun

太阳的

relating to the moon

月球的, 与月亮有关的

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

大爆炸, 大爆炸理论

a place in the space with such high gravity that pulls in everything, even light

黑洞

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

related to the universe and the vast space outside the earth

宇宙的

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

流星, 陨石

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

陨石, 流星体

a period during which the sun or the moon is shadowed by a dark circle

日食

a creature that is believed to exist in other worlds or planets

外星人, 异星人

an object sent into space to travel around the earth and send or receive information

卫星, 气象卫星

to move around a star, planet, or a large object in space

绕轨道运动, 环绕

the action of circular movement around a fixed point

旋转, 转动

someone who is trained to travel and work in space

宇航员, 航天员

a vehicle designed to travel in space

宇宙飞船, 航天器

a jet engine with liquid or solid fuel that is propelled by a burning gas stream

火箭

an operation carried out in space

任务, 太空任务

to send an object, such as a satellite, missile, etc., into space

发射, 送入太空

the act of counting numbers backwards to zero before the launch of a missile or spacecraft

倒计时, 反向计数

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, UFO（不明飞行物体）

a long journey taken on a ship or spacecraft

航程, 探险

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

NASA，国家航空航天局。

the distance that a beam of light travels in a year, equal to 9.46 trillion kilometers

光年, 光的距离单位

a narrow beam of light, heat, or other form of energy

光线, 射线