[Space 우주 관련 단어 영영풀이]
Earth
noun : the third planet from the Sun; the planet we live on
galaxy
noun : a large group of stars, planets, gases, and dust
moon
noun : a huge ball of rock that travels around a planet
Moon
noun : the huge ball of rock that travels around Earth
pull
verb : to use force to move something closer
rocket
noun : a machine used for space travel
shine
verb : to give off bright light
sky
noun : the area high above the ground where stars and clouds appear
star
noun : an object in outer space, made of hot gases, that can be seen in the night sky
Sun
noun : the closest star to Earth and the center of our solar system
sunshine
noun : light from the Sun
asteroid
noun : an irregularly shaped rock that orbits the Sun
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
astronomy
noun : a field of science involving the study of the stars, planets, comets, and other things found in space
astrophysicist
other : a scientist who studies the physical nature of stars and other bodies in space
atmosphere
noun : a layer of gases surrounding a planet, star, or moon
axes
noun : the imaginary lines around which objects, such as planets, might rotate
axis
noun : an imaginary line around which an object, such as Earth, rotates
binoculars
noun : a hand-held device used to see objects that are far away
black hole
noun : a region of space with a gravitational field so intense that nothing can escape
capsule
noun : the detachable compartment on a spacecraft that holds people and their instruments
celestial
adjective : of or relating to the sky
cluster
noun : a close group of similar objects
comet
noun : a space object made of ice and dust that develops a long, bright tail as it nears the star it orbits
constellation
noun : a group of stars that form a shape and are named
corona
noun : a ring of light visible around a luminous body, such as the Sun and Moon
cosmic
adjective : of or relating to the space beyond Earth
cosmologist
noun : a scientist who studies the origin and structure of the universe
cosmos
noun : the whole universe
crater
noun : a hole in the ground caused by an explosion or impact
crescent moon
noun : the phase of the Moon when only a thin curved slice is lit up by the Sun
deep space
noun : the open areas between solid bodies in the universe beyond our solar system
docking
noun : the connecting of two vehicles in space
eclipse
noun : the partial or complete hiding or darkening of one celestial body, such as the Sun or Moon, by another
exploration
noun : a journey through unfamiliar territory to learn more about it
explorer
noun : a person who visits and learns about new places
extraterrestrial
adjective : existing or coming from outside Earth or its atmosphere
extraterrestrial
noun : a being from outside Earth or its atmosphere
eyepiece
noun : the lens or lenses closest to the eyes in a telescope, microscope, or binoculars
fireball
noun : a ball of fire
full moon
noun : the phase of the Moon when its surface is fully lit up by the Sun
galaxy
noun : a large collection of stars, planets, gas, and dust bound together by gravitational forces
gas giant
noun : a large planet that is mainly made up of gases
gravitational pull
noun : the force of attraction that tends to draw objects together
gravity
noun : the natural force that tends to pull objects toward each other, such as objects being pulled toward the center of Earth
half moon
noun : the phase of the Moon halfway between a full moon and a new moon
impact
noun : the action of one object hitting another
interstellar
adjective : of or occurring in the deep space between stars
Jupiter
noun : the largest planet in our solar system and the fifth from the Sun; a gas giant
launch
noun : the act of starting or introducing something, such as a company, website, or product; the takeoff of a spaceship
light-year
noun : a unit of distance in astronomy equal to the distance that light travels in one year
lunar
adjective : having to do with the Moon
Mars
noun : a small reddish planet that is fourth from the Sun; a terrestrial planet
Martian
noun : of or relating to the planet Mars
Mercury
noun : the smallest planet in our solar system and the closest one to the Sun; a terrestrial planet
meteor
noun : a meteoroid that burns up after entering Earth’s atmosphere, causing a bright streak of light in the sky
meteorite
noun : a meteoroid that has landed on Earth from outer space
meteoroid
noun : a comet, asteroid, or dust particle in space
Milky Way
noun : the galaxy that includes the Sun and our solar system
mission
noun : a flight of a spacecraft or aircraft with the purpose of completing a special assignment
module
noun : a self-contained part of a spacecraft
Moon
noun : Earth's only natural satellite
moon phase
noun : any of the eight possible ways that the Moon appears as viewed from Earth
Neptune
noun : a large blue planet that is eighth from the Sun; a gas giant
new moon
noun : the first phase of the Moon, when its dark side is toward Earth or when it appears as a narrow crescent for a few days afterward
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
obscured
adjective : concealed or covered
observatory
noun : a place used for scientific observation of things in nature, such as astronomical objects, weather, or earthquakes
orbit
noun : the path taken by one object in space circling around another larger object
orbit
verb : to revolve around another object
phase
noun : state of matter, which can change depending on temperature and pressure
pilot
noun : a person who flies an aircraft or spacecraft
pilot
verb : to drive a ship or an aircraft
planet
noun : a large, round object that travels around a star
planetarium
noun : a building in which the image of the night sky is projected onto a curved ceiling
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
polar
adjective : relating to areas of a planet, star, or moon near the north or south pole
probe
noun : a device used to send back information from a place that is difficult or dangerous to reach
radiate
verb : to emit something, often light or heat in the form of rays or waves
re-entry
noun : the act of returning to Earth’s atmosphere from space
reflect
verb : to send light, sound, or heat back toward where it came from
revolution
noun : a single journey along an orbital path
revolve
verb : to move in a circle around something
ring
noun : a band of dust and ice that circles a planet
rotate
verb : to turn on a center or axis; revolve
rotation
noun : a single turn of something around an axis or a fixed point; spinning
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
solar
adjective : having to do with the Sun
solstice
noun : either of the two times of the year when the Sun is farthest from the equator
space
noun : the area beyond Earth's atmosphere in which there are stars and planets
space flight
noun : travel and exploration in outer space
space shuttle
noun : a spacecraft that can be used repeatedly
space station
noun : a spacecraft in which people can live for a long time, used for scientific experiments and research
space travel
noun : a journey by people into space
spacecraft
noun : a vehicle used for traveling in space
starry
adjective : filled with or lit up by stars
sunspot
noun : any of the relatively cool dark patches that appear in cycles on the Sun's surface and possess a powerful magnetic field
tail
noun : the bright, vaporized part of a comet that points away from the Sun
technology
noun : the use of scientific knowledge or tools to make or do something
telescope
noun : an instrument used to make distant objects look closer
tilted
adjective : slanted, not straight
twinkling
adjective : to shine in a way that seems to switch between brighter and dimmer
universe
noun : all things that exist in space
unknown
adjective : not known; unfamiliar
vacuum
noun : a space that contains absolutely no matter
Venus
noun : a small planet that is second from the Sun; a terrestrial planet
waning
noun : the process of growing smaller or weaker
waxing
noun : the process of growing bigger
weightless
adjective : experiencing little or no noticeable gravitational pull
weightlessness
noun : the condition of not seeming to weigh anything
aerospace
adjective : having to do with the branch of science that studies Earth's atmosphere and outer space
artificial satellite
noun : a human-made object that orbits another object in space
asterism
noun : a star-shaped reflective pattern inside a gem; a group of stars smaller than a constellation
asteroid belt
noun : the area in space between Mars and Jupiter where most asteroids orbit
astronomical satellite
noun : a research satellite that monitors waves and particles in deep space
astrophysics
noun : a branch of astronomy that is concerned with the physical nature of stars and other bodies in space
aurora borealis
noun : the northern lights, caused by charged particles being pulled into Earth's atmosphere by Earth's magnetic field
big bang theory
noun : the idea that the universe began from a single, enormous explosion and is still expanding
bus
noun : the body of a satellite, which contains basic functions and equipment
celestial body
noun : a natural object in the sky or in outer space
communication satellite
noun : a satellite that picks up sound, picture, or telephone signals
dwarf planet
noun : a nearly round object that orbits a star, is smaller than a planet, and is not a satellite of another object
earth station
noun : a dish on Earth that receives signals from a satellite
elliptical galaxy
noun : an oval-shaped galaxy
environmental satellite
noun : a satellite that monitors how Earth is changing
exoplanet
noun : a planet that exists outside our solar system
exosphere
noun : the outermost layer of Earth's atmosphere; the layer in which molecules can escape Earth's gravity
GPS
noun : Global Positioning System; a system or device that uses radio signals from satellites to pinpoint locations
irregular galaxy
noun : a galaxy without a regular shape
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
light filter
noun : a transparent material that blocks light of certain wavelengths
luminosity
noun : a measure of the amount of radiating or reflected light coming off a star or other celestial object; brightness
lunar eclipse
noun : an eclipse during which Earth blocks the Sun's light from shining on the Moon
methane
noun : an invisible, odorless, flammable gas; also called “natural gas”
military satellite
noun : a satellite that gathers information about other countries or serves military purposes in another way
navigational satellite
noun : a satellite that helps vehicles know their location
nebula
noun : a region or cloud of interstellar dust and gas appearing as a bright or dark patch
neutron star
noun : a star that has collapsed under its own gravity; a compact mass of neutrons
optical telescope
noun : a light-gathering telescope
ozone layer
noun : a layer of the atmosphere that protects life on Earth by filtering out ultraviolet radiation from the Sun
payload
noun : the tools and other valuable equipment on a satellite; also, the valuable cargo on an aircraft
phenomena
noun : observable events, occurrences, or situations
phenomenon
noun : an observable event or occurrence; someone or something that is very impressive or popular because of an unusual ability or quality
plasma
noun : charged particles of gas that can conduct electricity
polar orbit
noun : an orbit that passes above both the North Pole and South Pole
pulsar
noun : a neutron star that produces beams of radiation from its magnetic poles
quasar
noun : an astronomical object with very high energy output
radiation
noun : a powerful and dangerous type of energy released by nuclear reactions
radio telescope
noun : a telescope that collects radio waves from space
reflected light
noun : light that is picked up on a mirror and bounced to another place
rille
noun : a long, narrow crack on the Moon's surface
solar eclipse
noun : an eclipse during which the Moon passes in front of the Sun and hides it from view
solar flare
noun : a sudden energy burst that appears as a large, bright loop on the Sun's surface
solar radiation
noun : energy that the Sun gives off in the form of rays of light or heat
solar system
noun : a group of objects in space that orbit a star
solar wind
noun : a stream of gases that come from the Sun
spiral galaxy
noun : a galaxy with curved arms that extend from a central axis
Sputnik
noun : the first human-made satellite successfully launched into space
stratosphere
noun : the layer of Earth’s atmosphere located beyond the troposphere; the layer that protects Earth from solar radiation
supernova
noun : explosions of stars, resulting in a sharp increase in brightness followed by a gradual fading
terrestrial planet
noun : like Earth; a planet that is rocky in form and Earth-like in size
thermonuclear reaction
noun : a process, often involving high temperatures, in which the structure of atoms change, releasing tremendous energy
troposphere
noun : the layer of Earth's atmosphere that is closest to the planet's surface; the layer in which weather takes place
ultraviolet ray
noun : invisible light that makes up part of solar radiation; too much of it can harm living things
ultraviolet wave
noun : radiant energy waves similar to light; cannot be seen by humans
weather satellite
noun : an artificial satellite that monitors Earth's climate and weather