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B2 Level Wordlist - Outer Space

Here you will learn some English words about outer space, such as "alien", "universe", "asteroid", etc. prepared for B2 learners.

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CEFR B2 Vocabulary
alien
[noun]

a creature that is believed to exist in other worlds or planets

Ex: alien landed in the field , its long limbs and glowing eyes striking terror in the onlookers .
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space
[noun]

the universe beyond the atmosphere of the earth

Ex: Researchers are studying the effects of zero gravity space on human health .
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the space outside the earth's atmosphere

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universe
[noun]

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

Ex: Philosophers and physicists ponder the ultimate fate and origin of universe.
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asteroid
[noun]

any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars

Ex: asteroids contain valuable minerals and resources that could be mined in the future .
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a place in the space with such high gravity that pulls in everything, even light

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galaxy
[noun]

a large number of star systems bound together by gravitational force

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

Ex: Scientists believe solar system formed over 4.5 billion years ago .
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Mercury
[noun]

the 1st and smallest planet in the solar system which is the closest to the sun

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Venus
[noun]

the 2nd planet of the solar system located between Mercury and earth

Ex: Astronomers continue to Venus to understand its extreme conditions and the potential for past or present habitability .
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Mars
[noun]

the 4th planet of the solar system located between earth and Jupiter

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Jupiter
[noun]

the 5th and the largest planet of the solar system located between Mars and Saturn

Ex: Astronomers use telescopes to Jupiter and its cloud bands .
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Saturn
[noun]

the 6th planet of the solar system located between Jupiter and Uranus, which has rings around it

Ex: The Hubble Space Telescope has captured stunning images Saturn and its rings , providing valuable data about their composition and dynamics .
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Uranus
[noun]

the 7th planet of the solar system with a blue-green color located between Saturn and Neptune

Ex: Uranus was discovered by Sir William Herschel in 1781 , making it the first planet discovered with a telescope .
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Neptune
[noun]

the 8th planet of the solar system with a ring of icy particles around it

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astronomy
[noun]

a branch of science that studies space, planets, etc.

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a scientist who studies or observes planets, stars, and other happenings in the universe

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landing
[noun]

the act of an aircraft or spacecraft arriving on the ground or a solid surface

Ex: The Mars roverlanding was a significant achievement for space exploration .
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outer
[Adjective]

situated on the outside of something else

Ex: Protective wax was applied to the carouter body to prevent rust .
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orbit
[noun]

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

Ex: When a spacecraft enters orbit of another planet , it must adjust its velocity to achieve a stable trajectory .
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to orbit
[Verb]

to move around a star, planet, or a large object in space

Ex: The dwarf planet orbits the sun in a region of space known as the Kuiper Belt .
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rocket
[noun]

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

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satellite
[noun]

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

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to launch
[Verb]

to send an object, such as a satellite, missile, etc., into space

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takeoff
[noun]

the process by which an aircraft leaves the ground and starts to fly

Ex: Delays takeoff were caused by unexpected weather conditions , requiring adjustments to the flight schedule .
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a vehicle designed to travel in space

Ex: After completing its mission , spacecraft re-entered Earth ’s atmosphere and safely returned with samples collected from space .
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spaceman
[noun]

someone who travels into space, such as an astronaut

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spaceship
[noun]

a kind of spacecraft used by astronauts to explore in space

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a large structure used as a long-term base for people to stay in space and conduct research

Ex: space station's modules are equipped with living quarters , laboratories , and observation windows .
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spacesuit
[noun]

clothing used by astronauts while traveling in space

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spacewalk
[noun]

a period during which an astronaut moves outside an spacecraft in space, typically to perform repairs or experiments

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telescope
[noun]

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

Ex: They purchased telescope to enhance their night sky observations .
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voyage
[noun]

a long journey taken on a ship or spacecraft

Ex: The documentary chronicled voyage of a famous explorer and the discoveries made along the way .
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