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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B2 Level Wordlist
alien [noun]

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

Ex: In the movie " Independence Day " , aliens invade Earth , causing a global crisis that humanity must unite to overcome .
space [noun]

any area beyond the Earth's atmosphere

Ex: Scientists study conditions in space .

the space outside the earth's atmosphere

Ex: Satellites in outer space help with communication , weather monitoring , and scientific research by orbiting the Earth and other celestial bodies .
universe [noun]

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

Ex: Scientists use powerful telescopes to observe celestial objects and unravel mysteries of the universe .
asteroid [noun]

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

Ex: The asteroid impact that led to the extinction of the dinosaurs occurred approximately 66 million years ago .

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

Ex: Scientists detect black holes by observing the effects of their gravity on nearby objects and light , rather than seeing the black holes themselves directly .
galaxy [noun]

a large number of star systems bound together by gravitational force

Ex: The Hubble Space Telescope has captured images of thousands of galaxies , providing insights into their formation and evolution .

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

Ex: Some moons in the solar system may have conditions suitable for life .
Mercury [noun]

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

Ex:
Venus [noun]

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

Ex: Venus rotates in the opposite direction to most planets , a phenomenon known as retrograde rotation , with its day longer than its year .
Mars [noun]

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

Ex: The polar ice caps on Mars consist of frozen water and carbon dioxide , fluctuating with the planet 's seasons .
Jupiter [noun]

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

Ex: Jupiter is more than 300 times the mass of Earth .
Saturn [noun]

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

Ex:
Uranus [noun]

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

Ex: Uranus experiences extreme seasonal variations because of its unusual tilt , with each pole facing the Sun for about 42 years .
Neptune [noun]

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

Ex: Due to its distance from the Sun , Neptune receives very little sunlight , making its surface temperature extremely cold .

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

Ex: Historical records show how ancient civilizations used astronomy to develop calendars and navigate across oceans .

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

Ex: She became an astronomer because of her fascination with the mysteries of the cosmos .
landing [noun]

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

Ex: The Mars rover 's landing was a significant achievement for space exploration .
outer [adjective]

situated on the outside of something else

Ex: Our camping tent has an outer layer for waterproofing .
orbit [noun]

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

Ex: Understanding the orbit of distant exoplanets helps astronomers study their potential habitability .
to orbit [verb]

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

Ex: Jupiter has the largest number of moons of any planet in our solar system , with 79 known moons orbiting around it .
rocket [noun]

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

Ex: The space agency celebrated the successful test of a prototype rocket intended for future Mars missions .

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

Ex: The satellite 's camera captured detailed images of the planet ’s surface for environmental monitoring .

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

Ex: The submarine successfully launched a torpedo during the naval exercise .
takeoff [noun]

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

Ex: The pilot prepared for takeoff by checking the aircraft ’s systems and ensuring all safety protocols were followed .

a vehicle designed to travel in space

Ex: The documentary showcased the development and launch of a new spacecraft designed for deep-space exploration .
spaceman [noun]

someone who travels into space, such as an astronaut

Ex: The movie followed the adventures of a spaceman exploring distant galaxies and encountering alien civilizations .

a kind of spacecraft used by astronauts to explore in space

Ex: Engineers designed a new spaceship with advanced propulsion systems for interplanetary travel .

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

Ex: Upcoming missions plan to expand the space station with additional modules and new scientific equipment .

clothing used by astronauts while traveling in space

Ex: The museum ’s exhibit featured a replica of the spacesuit worn during the Apollo moon landings .

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

Ex: The spacewalk lasted several hours , during which the astronauts were tethered to the spacecraft for safety .

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

Ex: A telescope can help you see planets that are millions of miles away .
voyage [noun]

a long journey taken on a ship or spacecraft

Ex: They planned a voyage to Antarctica to study the continent ’s unique wildlife and climate .