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Vocabulary for IELTS Academic (Band 5) - Astronomoy

Here, you will learn some English words related to Astronomoy that are necessary for the Basic Academic IELTS exam.

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Vocabulary for IELTS Academic (Band 5)
orbiter
orbiter
[noun]

a spacecraft with the purpose of cricling around a celectial obejct without landing on it

Ex: The Mars orbiter sent back high-resolution images of the planet's surface.Ā 
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astrology
astrology
[noun]

the study of the movements of stars and planets that are thought to affect people and the world

Ex: Astrology is the study of the positions and movements of celestial bodies, believed to influence human affairs and natural events.Ā 
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satellite
satellite
[noun]

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

Ex: The weather satellite provided real-time images of storm systems to help meteorologists forecast the weather.Ā 
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universe
universe
[noun]

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

Ex: Astronomers study distant galaxies to understand the vastness and complexity of the universe.Ā 
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galaxy
galaxy
[noun]

a large number of star systems bound together by gravitational force

Ex: Galaxies can vary in shape and size, with types including spiral, elliptical, and irregular galaxies, each having distinct structures and characteristics.Ā 
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star
star
[noun]

(astronomy) a shining point found in large numbers in the night sky

Ex: I looked up at the night sky and saw a shooting star.Ā 
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planet
planet
[noun]

a huge round object that moves in an orbit, around the sun, or any other star

Ex: Jupiter is the largest planet in our solar system.Ā 
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sun
sun
[noun]

the large, bright star in the sky that shines during the day and gives us light and heat

Ex: The sun shines brightly, lighting up the entire sky.Ā 
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solar system

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

Ex: Earth is one of eight planets in the solar system.Ā 
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orbit
orbit
[noun]

the path an object in the space follows to move around a planet, star, etc.

Ex: The satellite was placed into a stable orbit to continuously monitor weather patterns from space.Ā 
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spacecraft

a vehicle designed to travel in space

Ex: The spacecraft was launched to explore Mars and collect data about the planet's surface and atmosphere.Ā 
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spacesuit
spacesuit
[noun]

clothing used by astronauts while traveling in space

Ex: During training, astronauts practiced maneuvering in their spacesuits to become accustomed to the added bulk.Ā 
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shuttle
shuttle
[noun]

A spacecraft designed to transport people or equipment between Earth and a space station or other celestial destination, typically capable of multiple trips

Ex: The shuttle Discovery completed 39 missions before retiring.Ā 
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rocket
rocket
[noun]

a spacecraft that moves up by the force of the gases produced when the fuel burns

Ex: The rocket lifted off from the launch pad, carrying a satellite into orbit around Earth.Ā 
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cosmos
cosmos
[noun]

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

Ex: The study of the cosmos encompasses the exploration of galaxies, stars, and planets.Ā 
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NASA
NASA
[noun]

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

Ex: NASA, the National Aeronautics and Space Administration, is responsible for the United States' civilian space program.Ā 
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moon
moon
[noun]

the circular object going around the earth, visible mostly at night

Ex: Can you see the moon peeking out from behind the clouds?Ā 
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telescope
telescope
[noun]

a piece of equipment by which the far objects, particularly those in space, are made clearly visible

Ex: He used a telescope to observe the stars.Ā 
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astronaut
astronaut
[noun]

someone who is trained to travel and work in space

Ex: She fulfilled her childhood dream of becoming an astronaut and traveled to the International Space Station.Ā 
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black hole

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

Ex: Black holes are formed from the remnants of massive stars that have ended their life cycles and collapsed under their own gravity.Ā 
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light-year

the distance that light travels in a year (about 9.46 trillion kilometers)

Ex: Proxima Centauri, the closest star to Earth, is 4.24 light-years away.Ā 
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the Milky Way

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

Ex: The Milky Way is a barred spiral galaxy that contains our solar system.Ā 
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atmosphere

the layer of gases surrounding a planet, held in place by gravity

Ex: Earth's atmosphere protects us from harmful solar radiation.Ā 
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big bang
big bang
[noun]

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

Ex: The Big Bang theory posits that the universe began with a massive explosion approximately 13.8 billion years ago.Ā 
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