TOEFL을 위한 필수 어휘 - Space

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

우주

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

우주

a large number of star systems bound together by gravitational force

은하

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

천문학

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

은하수

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

태양계

the earth's atmosphere and the space beyond it

항공우주

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

중력

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

천문학자

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

별자리

related to the sun

태양의

relating to the moon

달의

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

빅뱅

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

블랙홀

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

혜성

related to the universe and the vast space outside the earth

우주의

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

유성

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

운석

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

일식

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

외계인

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

위성

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

궤도를 돌다

the action of circular movement around a fixed point

회전

someone who is trained to travel and work in space

우주 비행사

a vehicle designed to travel in space

우주선

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

로켓

an operation carried out in space

미션

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

발사하다

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

카운트다운

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

미확인 비행체

a long journey taken on a ship or spacecraft

항해

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

NASA

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

광년

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

광선