Astronomy

MASON R. (United States of America)
33 words 80 learners

Learn words with Flashcards and other activities

Definition First
Print Flashcards

Other learning activities

Answer a few questions about each word. Use this to prep for your next quiz! Compete with other teams in real time to see who answers the most questions correctly! Test your spelling acumen. Read the definition, listen to the word and try spelling it!

Teaching tools

Create and assign quizzes to your students to test their vocabulary. Assign learning activities including Practice, Vocabulary Jams and Spelling Bees to your students, and monitor their progress in real-time.

Full list of words from this list:

words only definitions & notes
  1. Mercury
    the smallest planet and the nearest to the sun
  2. Venus
    the second nearest planet to the sun
  3. earth
    the third planet from the sun
  4. Mars
    a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye; minerals rich in iron cover its surface and are responsible for its characteristic color
  5. Jupiter
    the largest planet and the 5th from the sun
  6. Saturn
    a giant planet that is surrounded by three planar concentric rings of ice particles; the 6th planet from the sun
  7. Uranus
    a giant planet with a ring of ice particles
  8. Neptune
    a giant planet with a ring of ice particles
  9. Pluto
    a dwarf planet with an elliptical orbit
  10. moon
    the natural satellite of the Earth
  11. sun
    the star that is the source of light and heat for the planets in the solar system
  12. star
    a celestial body of hot gases that radiates energy
  13. galaxy
    a collection of star systems
  14. universe
    everything that exists anywhere
  15. constellation
    a configuration of stars as seen from the earth
  16. asteroid
    a small celestial body composed of rock and metal
  17. asteroid belt
    the region of interplanetary space between Mars and Jupiter where most asteroids are found
  18. comet
    a small frozen mass that travels around the sun
  19. astrology
    divination by the positions of the planets and sun and moon
  20. celestial
    relating to or inhabiting a divine heaven
  21. black hole
    a region of space resulting from the collapse of a star
  22. astrophysics
    the study of the properties of celestial bodies
  23. chromosphere
    a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun
  24. cosmic
    pertaining to or characteristic of the universe
  25. flare
    sudden eruption of intense radiation from the sun's surface
  26. interferometer
    any measuring instrument that uses interference patterns to make accurate measurements of waves
  27. rotate
    turn on or around an axis or a center
  28. season
    one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions
  29. stellar
    being or relating to or resembling or emanating from stars
  30. sunspot
    a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
  31. ultraviolet
    having wavelengths shorter than light but longer than X-rays
  32. revolution
    a single complete turn
  33. zodiac
    a circular diagram representing the 12 constellations
Created on Thu Nov 07 07:12:49 EST 2013 (updated Fri Nov 08 07:46:54 EST 2013)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.