The Solar System 태양계 관련 단어 영영풀이

[The Solar System 태양계 관련 단어 영영풀이]

 

Earth

noun : the third planet from the Sun; the planet we live on

moon

noun : a huge ball of rock that travels around a planet

star

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

 

asteroid

noun : an irregularly shaped rock that orbits the Sun

atmosphere

noun : a layer of gases surrounding a planet, star, or moon

comet

noun : a space object made of ice and dust that develops a long, bright tail as it nears the star it orbits

core

noun : the central, innermost, or most important part of something

crater

noun : a hole in the ground caused by an explosion or impact

gas

noun : matter that can freely change shape and size; often it can’t be seen

gas giant

noun : a large planet that is mainly made up of gases

gravity

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

Jupiter

noun : the largest planet in our solar system and the fifth from the Sun; a gas giant

Mars

noun : a small reddish planet that is fourth from the Sun; a terrestrial planet

mass

noun : the amount of something, measured by its weight

matter

noun : anything that takes up space and has weight

Mercury

noun : the smallest planet in our solar system and the closest one to the Sun; a terrestrial planet

Moon

noun : Earth's only natural satellite

Neptune

noun : a large blue planet that is eighth from the Sun; a gas giant

nucleus

noun : the center of a comet, made of small particles of ice and frozen gas that can turn to vapor and form a tail as the comet nears a star

orbit

verb : to revolve around another object

oxygen

noun : a gas that has no color, taste, or smell and that most animals need to live

planet

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

Pluto

noun : a dwarf planet discovered in 1930 that was once considered a planet

plutoid

noun : a dwarf planet that orbits the Sun beyond Neptune

probe

noun : a device used to send back information from a place that is difficult or dangerous to reach

revolution

noun : a single journey along an orbital path

ring

noun : a band of dust and ice that circles a planet

satellite

noun : a natural or human-made object that orbits Earth or another object in space

Saturn

noun : a planet with large rings around it that is sixth from the Sun; a gas giant

tail

noun : the bright, vaporized part of a comet that points away from the Sun

Uranus

noun : a large blue-green planet that is seventh from the Sun; a gas giant

Venus

noun : a small planet that is second from the Sun; a terrestrial planet

 

asteroid belt

noun : the area in space between Mars and Jupiter where most asteroids orbit

dwarf planet

noun : a nearly round object that orbits a star, is smaller than a planet, and is not a satellite of another object

helium

noun : the second lightest chemical element, often a gas

hydrogen

noun : the lightest chemical element, often a gas

Kuiper Belt

noun : an area of our solar system beyond the orbit of Neptune where a group of minor planets and other objects orbit the Sun

mass

noun : the amount of matter in something, measured on Earth by its weight

methane

noun : an invisible, odorless, flammable gas; also called “natural gas”

radiation

noun : a powerful and dangerous type of energy released by nuclear reactions

solar system

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

terrestrial planet

noun : like Earth; a planet that is rocky in form and Earth-like in size