Across
- 1. a giant ball of hot gas, mainly hydrogen
- 2. the rays with the shortest frequency
- 6. a bridge "Galloping _______________"
- 9. an object that burns up in our atmosphere is called a _________
- 10. the planet featured in the movie The Martian
- 11. the maximum distance the wave rises above the resting point
- 15. what a wave travel through
- 16. the distance of one complete wave
- 18. the type of wave that has a crest and trough
- 19. the longest electromagnetic waves
- 20. a packet of light energy
- 21. a pattern of stars that people imagine as a person, object, or animal
- 23. the hottest planet (Hint: its not Mercury)
- 26. orbits the sun, rounded by its gravity, cleared its orbit
- 29. the number of waves that pass in a given amount of time
- 31. the last planet in our solar system (Pluto is not a planet)
- 32. the low point of a wave
- 33. the type of rays after ultra-violet
Down
- 1. something that orbits a planet
- 3. a mixture of dust and ice orbiting in space
- 4. the waves found between radio and infrared
- 5. the waves just before we can see the color red
- 7. an area in a longitudinal wave that has been smashed together
- 8. the largest planet
- 12. the type of waves that require a medium to travel through
- 13. a repeating back and forth motion
- 14. the biggest object in the night sky
- 17. the effect of when light knocks electrons off metal
- 22. the high point of a wave
- 24. the only planet with discovered life on it
- 25. the first planet
- 27. what frequency is measured in
- 28. the ability to do work
- 30. the planet known for its many rings