C1 Level Wordlist - Astronomy

Here you will learn some English words about astronomy, such as "cosmic", "comet", "dwarf", etc. prepared for C1 learners.

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aerospace [noun]

the earth's atmosphere and the space beyond it

Ex: The company specializes in aerospace manufacturing , producing components for aircraft and spacecraft .

astrobiology [noun]

a branch of biology that deals with the study of life in space

Ex: The discovery of extremophiles has expanded the scope of astrobiology , revealing life forms that can survive in extreme environments .

atmospheric [adjective]

having a connection to or originating in the Earth's atmosphere

Ex: Scientists study atmospheric chemistry to understand the composition of gases in the Earth 's atmosphere .

cosmic [adjective]

related to the universe and the vast space outside the earth

Ex:

full moon [noun]

the complete and round-shaped moon as seen from the earth

Ex: The full moon illuminated the night sky , casting a soft glow over the landscape .

half-moon [noun]

the moon when only half of its bright surface can be seen from the earth

Ex: The garden party was illuminated by the soft glow of a half-moon overhead .

new moon [noun]

the moon when only a small portion of its bright side is visible from the earth

Ex: During a new moon , the sky appears darker because the moon is not visible from Earth .

to go down [verb]

(of the sun or moon) to go out of sight below the horizon

Ex:

big bang [noun]

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

Ex:

cosmos [noun]

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

Ex: Astronomers use telescopes to observe distant phenomena in the cosmos .

celestial body [noun]

any natural object in the space, such as the sun, moon, etc.

Ex: Jupiter is the largest celestial body in our solar system .

the Milky Way [noun]

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

Ex: Astronomers study the structure and evolution of the Milky Way galaxy .

constellation [noun]

a specific group of stars that form a pattern and have a name related to their shape

Ex: The Big Dipper is a prominent constellation consisting of seven bright stars .

zodiac [noun]

(astronomy) the celestial zone in the sky where the sun, moon, and planets appear to move, traditionally divided into twelve equal segments, each associated with a distinct name and symbol

Ex: The zodiac is divided into twelve astrological signs , each representing different personality traits .

comet [noun]

an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail

Ex: The tail of a comet forms when solar radiation causes ice and dust to vaporize and stream away from the nucleus .

dwarf [noun]

a star that is relatively small in size or mass and is not very bright

Ex: The discovery of a new dwarf galaxy orbiting the Milky Way provided insights into galactic evolution .

exoplanet [noun]

a planet that is outside the solar system

Ex: The Kepler Space Telescope has been instrumental in identifying distant exoplanets using the transit method .

meteor [noun]

a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light

Ex: The study of meteors helps astronomers understand the composition of objects from the early solar system .

meteorite [noun]

a piece of rock or metal from space that has hit the surface of the earth

Ex: The impact crater was formed by a large meteorite that struck Earth millions of years ago .

Nebula [noun]

a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation

Ex:

supernova [noun]

an exploding star that as a result is emitting a very large amount of light, more than the sun

Ex: Astronomers observed a distant galaxy where a supernova had recently occurred .

NASA [noun]

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

Ex: Astronauts from NASA conducted experiments aboard the International Space Station to study microgravity effects on the human body .

mission [noun]

an operation carried out in space

Ex: The Hubble Space Telescope has completed numerous scientific missions to observe distant galaxies and nebulae .

cosmonaut [noun]

an astronaut from Russia or the former Soviet Union

Ex: Valentina Tereshkova was the first woman cosmonaut to travel to space in 1963 .

to lift off [verb]

(of a spacecraft or aircraft) to leave the ground, particularly vertically

Ex: The airplane taxied down the runway , its engines gaining power , and then lifted off smoothly into the clear blue sky .

axis [noun]

the central point or line around which an object turns

Ex: The planet 's tilt on its axis causes the seasons .

rotation [noun]

a single complete circular movement around an axis or along an orbit

Ex: Each rotation of the hand wheel raises the platform slightly .

space shuttle [noun]

a vehicle designed and used to go to space and return multiple times

Ex: The Challenger disaster in 1986 was a tragic event that highlighted the risks associated with space shuttle missions .

unidentified flying object [noun]

a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world

Ex: Scientists study reports of unidentified flying objects to determine if they have natural or man-made origins .

weightless [adjective]

having or seeming to have no or little weight, caused by the absence of gravity

Ex:

C1 Level Wordlist
Animals	Appearance	Digital Communication	Movies
Foods and Ingredients	Advice and Suggestion	The Human Anatomy	Buildings and Construction
Human Attributes	Time	Fundamental Verbs	Shapes and Colors
Computer Science	Bonds and Relationships	Fashion and Attire	Writing and Narrative
Language Components	News and Network	Weather Conditions	Shopping
Education	Integral Verbs	Business and Management	Achievement and Progress
Agreement and Disagreement	Personal Traits	Music	Law and Order
The Environment	Sickness	Struggles and Setbacks	Politics
Essential Verbs	Feelings	Science	Transportation
Stationery and Office Supplies	Working Life	Dialogue and Discourse	Hobbies and Activities
Identity and Society	Religion	Dishes and Dinning	Vital Verbs
Adjectives	Permission or Obligation	Job Titles	Scholarly Research
Geography	Cooking	Military	Persuasion and Discourse
Plants and Vegetation	Art	Crucial Verbs	Trust and Uncertainty
Health	Decisions and Accountability	Risks	Money and Finance
Changes and Impacts	Astronomy	Law and Criminality	Mathematics
Adverbs	Travel	History and Artifacts