n. 우주 비행사
In the movie The Martian, the hero Mark Watney is an astronaut struggling to stay alive on Mars.
soil
n. 토양, 흙
In order to survive, he grows potatoes in the Martian soil.
confined
a. 제한된, 폐쇄된
We have been growing plants in space in the confined environments of various spacecraft for several years.
spacecraft
n. 우주선
In the early days of space travel, plants were grown on spacecraft primarily for research purposes.
function
v. 기능하다, 작용하다
In the early days of space travel, plants were grown on spacecraft primarily for research purposes – to better understand how they functioned and how they grew under different conditions, such as in microgravity and closed environments.
microgravity
n. 극미 중력
In the early days of space travel, plants were grown on spacecraft primarily for research purposes – to better understand how they functioned and how they grew under different conditions, such as in microgravity and closed environments.
investigate
v. 조사하다
NASA has seriously started investigating the potential of space-grown plants as a food source for astronauts.
potential
n. 잠재력, 가능성
NASA has seriously started investigating the potential of space-grown plants as a food source for astronauts.
inject
v. ∙∙∙을 주입하다, ∙∙∙을 (~에) 불어 넣다
Plants are a living, growing piece of Earth; therefore, their smell and color can inject a bit of sensory variety into an artificial lifeless environment.
sensory
a. 감각의
Plants are a living, growing piece of Earth; therefore, their smell and color can inject a bit of sensory variety into an artificial lifeless environment.
artificial
a. 인공적인
Plants are a living, growing piece of Earth; therefore, their smell and color can inject a bit of sensory variety into an artificial lifeless environment.
transpiration
n. 증산(작용)
While it is not yet happening on a large scale, plants grown on a spacecraft may be used to potentially reduce carbon dioxide and produce oxygen, as well as provide water for drinking through transpiration.
habitable
a. 거주할 수 있는, 살기에 적합한
Growing plants in space may help to provide a more habitable environment for humans.
gravity
n. 중력
Plants must have water, soil, gravity, and light, all of which are in short supply on a spacecraft.
requirement
n. 요건, 조건
Experiments over the years have been slowly but surely developing ways of growing plants in space with very little of essential requirements.
scarce
a. 부족한, 희귀한
Water is especially scarce on the ISS, and the amount used is controlled and recycled as much as possible.
reclaim
v. (자원을) 재생(이용)하다
About 93 percent of all water on the ISS is reclaimed from the collected breath, sweat, and even urine of the ISS inhabitants.
inhabitant
n. 거주자
About 93 percent of all water on the ISS is reclaimed from the collected breath, sweat, and even urine of the ISS inhabitants.
mass
n. 덩어리
A spacecraft is not going to be able to carry around masses of heavy, dirty stuff that can be used to grow plants in.
specifically
ad. 특별히, 특수하게
NASA has developed a special container called a Veggie, which is specifically designed for space-gardening on the ISS.
flourish
v. 잘 자라다, 성장하다
The Veggie creates a suitable artificial environment for plants to grow and flourish under conditions of weightlessness.
weightlessness
n. 무중력 (상태)
The Veggie creates a suitable artificial environment for plants to grow and flourish under conditions of weightlessness.
reservoir
n. 저장고, 저장실
The Veggie contains plant pillows and a reservoir.
fertilizer
n. 비료
Plant pillows are bags of dirt, fertilizer, and nutrients.
wick
n. 심지
Small wicks that seeds are glued onto are inserted into the bags to soak up the water.
glue
v. (접착제로) 붙이다
Small wicks that seeds are glued onto are inserted into the bags to soak up the water.
insert
v. 끼워 넣다, 삽입하다
Small wicks that seeds are glued onto are inserted into the bags to soak up the water.
soak
v. 흡수하다, 젖다
Small wicks that seeds are glued onto are inserted into the bags to soak up the water.
fabric
n. 직물, 천
A reservoir of water is at the Veggie’s base, and it is covered with a fabric that allows the water to pass through it.
as long as
∙∙∙하는 한
Plants grow more slowly, but as long as they have a light source above them, they are able to grow in the right direction.
sufficiently
ad. 충분히
The light sourceneeds to be sufficiently strong and directed.
intense
a. 강한, 극도의
This intense light source is indispensable for photosynthesis.
indispensable
a. 필수적인, 불가결한
This intense light source is indispensable for photosynthesis.
radiation
n. (열∙빛의) 복사, 방사
In a spacecraft, the sun’s solar radiation is usually not best for plant growth because the position of the vehicle is constantly changing.
emit
v. 발산하다, 방출하다
LEDs emit little heat, so moving them closer to the plants won’t cause the plants to dry out or be burned.
agriculture
n. 농업
Experiments with plant production on the ISS have also proven valuable for agriculture on Earth, especially for areas in which water is scarce, soil is poor, or space is limited.
vertical
a. 수직의 Vertical farming with an electric light source is now widely used in many countries.
insight
n. 통찰력, 이해, 식견
Continued experiments in space gardening will give more insight into how plants can be grown successfully in challenging environments.
orbit
v. (천체의) 주위를 궤도를 그리며 돌다
Some of space trash float in space; much of it orbits Earth.
term
n. 용어
Both terms identify the same items – man-made objects remaining in space though they no longer serve any useful purpose.
launch
v. 발사하다; 시작하다, 착수하다
Mankind’s journey into space began in 1957 when the Soviet Union launched Sputnik, the first artificial satellite.
satellite
n. (인공)위성
Mankind’s journey into space began in 1957 when the Soviet Union launched Sputnik, the first artificial satellite.
estimate
v. 추정하다
It is estimated that more than 500,000 pieces of trash are now floating through our region of the solar system.
collision
n. 충돌
Rocket boosters, pieces that came loose from spacecraft, and particles created by space collisions or explosions are other examples of the types of trash orbiting around Earth.
explosion
n. 폭발, 파열
Rocket boosters, pieces that came loose from spacecraft, and particles created by space collisions or explosions are other examples of the types of trash orbiting around Earth.
crack
n. 균열, 깨진 틈
One crack was about 1 millimeter in size and was caused by a “space trash particle” about 100 microns in size hitting the window at a high speed.
inspection
n. 점검, 검사
Scientists have created a space inspection network.
cooperative
a. 협력하는
Future plans include a cooperative effort among the governments of many nations to stop leaving trash in space and to possibly clean up the trash already there.
occupation
n. 직업
Who knows, an occupation for the near future might be as a space trash collector.
collector
n. 수집가
Who knows, an occupation for the near future might be as a space trash collector.
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