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Space and astronomy – English vocabulary

57 words · English vocabulary · Created by Openquiz Team

57 English words with meanings: asteroid, astronaut, atmosphere, carbon dioxide, cosmic… Study them with flashcards, quizzes and AI speaking practice on…

Part of the learning path: Vocabulary for IELTS

Word list

  1. asteroid /'æstərɔɪd/ (noun) — a small rock in space
    Example: An asteroid passed close to Earth last night.
    Synonyms: minor planet, space rock
  2. astronaut /'æstrənɔ:t/ (noun) — a person who travels in space
    Example: The astronaut prepared for a six-month mission in space.
    Synonyms: cosmonaut, space traveler
  3. atmosphere /'ætməsfɪə/ (noun) — the air around a planet
    Example: The Earth's atmosphere protects us from harmful radiation.
    Synonyms: air, sky, climate
  4. carbon dioxide /,kɑ:bən daɪ'ɒksaɪd/ (noun) — carbon dioxide gas
    Example: Plants absorb carbon dioxide during photosynthesis.
    Synonyms: CO2
  5. cosmic /'kɒzmɪk/ (adjective) — related to space
    Example: Scientists study cosmic radiation to understand the universe.
    Synonyms: universal, celestial, astral
  6. cosmos /'kɒzmɒs/ (noun) — all space and everything in it
    Example: Astronomers study the cosmos to understand how the universe began.
    Synonyms: universe, space, macrocosm
  7. crater /'kreɪtə/ (noun) — a bowl-shaped hole from an impact
    Example: The meteor left a large crater in the ground when it hit.
    Synonyms: pit, hollow, depression
  8. debris /'debri:/ (noun) — broken pieces
    Example: Pieces of debris were scattered across the street after the storm.
    Synonyms: fragments, wreckage, rubble
  9. Earth /ɜ:θ/ (noun) — the planet we live on
    Example: Earth is the only planet known to support life.
    Synonyms: world, globe, planet
  10. galaxy /'ɡæləksi/ (noun) — a large group of stars
    Example: Our galaxy, the Milky Way, contains billions of stars.
    Synonyms: star system, stellar system, universe
  11. gas /ɡæs/ (noun) — air or another substance like air
    Example: Helium is a light gas often used to fill balloons.
    Synonyms: vapor, air, fume
  12. gravitational /,ɡrævɪ'teɪʃənəl/ (adjective) — related to gravity
    Example: The gravitational pull of the Earth keeps the Moon in orbit.
    Synonyms: attractive, pulling, force-related
  13. gravity /'ɡrævəti/ (noun) — the force that pulls things down
    Example: Gravity keeps our feet firmly on the ground.
    Synonyms: gravitational force, pull, attraction
  14. hydrogen /'haɪdrədʒən/ (noun) — the lightest element
    Example: Hydrogen is the lightest element in the periodic table.
  15. launch /lɔ:nʧ/ (noun) — to send something into the air or space
    Example: The company will launch a new smartphone next month.
    Synonyms: start, introduce, release
  16. lunar /'lu:nə/ (adjective) — related to the moon
    Example: The lunar surface is covered with craters and rocks.
    Synonyms: moonly, selenic
  17. meteor /'mi:tiə/ (noun) — a rock from space that falls to Earth
    Example: We saw a bright meteor streak across the night sky.
    Synonyms: shooting star
  18. meteoric /,mi:ti'ɔ:rɪk/ (adj) — very fast and brilliant, like a meteor
    Example: The meteor left a bright, meteoric trail across the night sky.
    Synonyms: shooting, stellar
  19. moon /mu:n/ (noun) — the large object that moves around the Earth and shines at night
    Example: The full moon lit up the entire valley.
  20. nuclear /'nju:kliə/ (adjective) — related to the energy released from atoms
    Example: Nuclear energy can generate a large amount of electricity.
    Synonyms: atomic
  21. orbit /'ɔ:bɪt/ (noun) — the path something follows around another object
    Example: The Earth follows an orbit around the Sun.
    Synonyms: path, trajectory
  22. outer /'aʊtər/ (adj) — outside
    Example: The outer walls of the castle were built for protection.
    Synonyms: external, outside, exterior
  23. outer space /'aʊtə speɪs/ (noun) — the area beyond Earth and its air
    Example: Astronauts train for life in outer space.
    Synonyms: space, cosmos
  24. paparazzi /,pæpə'rɑ:tsi/ (noun) — photographers who follow famous people to take photos
    Example: The paparazzi followed the actor after the film premiere.
    Synonyms: celebrity photographers, photojournalists, tabloid photographers
  25. planet /'plænɪt/ (noun) — a large round object that moves around a star
    Example: Mars is known as the red planet.
    Synonyms: world
  26. press /prɛs/ (noun) — news media; to push hard
    Example: She pressed the button to start the machine.
    Synonyms: push, squeeze, compress
  27. privacy /'prɪvəsi/ (noun) — keeping things to yourself
    Example: He values his privacy and rarely shares personal details online.
    Synonyms: seclusion, confidentiality, isolation
  28. publication /,pʌblɪ'keɪʃən/ (noun) — making something public
    Example: The publication of the new book was delayed by a month.
    Synonyms: release, issue, printing
  29. publicity /pʌ'blɪsɪti/ (noun) — public attention or promotion
    Example: The charity event received a lot of publicity in the local media.
    Synonyms: advertising, promotion, exposure
  30. publicize /'pʌblɪsaɪz/ (verb) — make known to many people
    Example: The organization worked hard to publicize their new campaign.
    Synonyms: promote, advertise, announce

…and 27 more words in this set.

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