Outside the Solar System 태양계 외부 관련 단어 영영풀이]

[Outside the Solar System 태양계 외부 관련 단어 영영풀이]

 

star

noun : an object in outer space, made of hot gases, that can be seen in the night sky

 

astronaut

noun : a person trained to travel and work in space

astronomer

noun : a scientist who studies planets, stars, galaxies, and other objects in space

astrophysicist

other : a scientist who studies the physical nature of stars and other bodies in space

black hole

noun : a region of space with a gravitational field so intense that nothing can escape

cluster

noun : a close group of similar objects

constellation

noun : a group of stars that form a shape and are named

cosmologist

noun : a scientist who studies the origin and structure of the universe

cosmos

noun : the whole universe

deep space

noun : the open areas between solid bodies in the universe beyond our solar system

galaxy

noun : a large collection of stars, planets, gas, and dust bound together by gravitational forces

gravity

noun : the natural force that tends to pull objects toward each other, such as objects being pulled toward the center of Earth

light-year

noun : a unit of distance in astronomy equal to the distance that light travels in one year

Milky Way

noun : the galaxy that includes the Sun and our solar system

orbit

verb : to revolve around another object

planet

noun : a large, round object that travels around a star

spacecraft

noun : a vehicle used for traveling in space

telescope

noun : an instrument used to make distant objects look closer

universe

noun : all things that exist in space

 

big bang theory

noun : the idea that the universe began from a single, enormous explosion and is still expanding

elliptical galaxy

noun : an oval-shaped galaxy

exoplanet

noun : a planet that exists outside our solar system

irregular galaxy

noun : a galaxy without a regular shape

luminosity

noun : a measure of the amount of radiating or reflected light coming off a star or other celestial object; brightness

nebula

noun : a region or cloud of interstellar dust and gas appearing as a bright or dark patch

solar system

noun : a group of objects in space that orbit a star

spiral galaxy

noun : a galaxy with curved arms that extend from a central axis

supernova

noun : explosions of stars, resulting in a sharp increase in brightness followed by a gradual fading