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