Space Unit Review

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Across
  1. 3. where we are located in our galaxy
  2. 5. caused by tilt
  3. 6. the classification of a star by its color and temperature
  4. 8. our sun in terms of age, size, color
  5. 13. one week after a new moon
  6. 14. our galaxy that we live in
  7. 18. the length between two crests on a wave
  8. 21. burning sphere of gas and plasma, produces light and heat
  9. 23. keeps the planets in motion in orbit around the sun
  10. 24. what holds the planets in orbit around the sun
  11. 26. a cloud of hydrogen gas and dust, birthplace of stars
  12. 27. seven colors of light that you see on a rainbow
  13. 28. lowest energy, longest wavelength, lowest frequency
  14. 29. the rise and fall of water on Earth
  15. 30. most abundant element in the universe
  16. 31. how many waves per second; affects the energy
  17. 32. lit up, to give off or reflect light
Down
  1. 1. highest energy, shortest wavelength, highest frequency
  2. 2. when visible light waves bend into colors
  3. 4. around the sun, 365.25 days, called a year
  4. 6. oldest, most common galaxy shape
  5. 7. when the moon's light is on the right, turning on
  6. 9. another word for magnitude and luminosity
  7. 10. oldest, smallest stars
  8. 11. extreme variation in high/low tide
  9. 12. most common stars, young to middle aged
  10. 15. around imaginary axis, 24 hours, called a day
  11. 16. NOT A MAP, shows stars age, size, brightness, temperature
  12. 17. minimal variation in high/low tide
  13. 18. when the moon's light is on the left, turning off
  14. 19. caused by rotation
  15. 20. a huge group of stars and planets held together by gravity
  16. 22. center of a galaxy, bulge of stars
  17. 25. when the moon is between the Earth and the Sun
  18. 31. when the moon is on the opposite side of earth from the sun