Across
- 2. meteor showers coming from the debris of the asteroid 2003EH1
- 3. sometimes referred to as “dirty snowballs”
- 5. he coined the term asteroid
- 8. a large bright cloud of dust and gas that surrounds the nucleus
- 12. a bright streak of light in the sky
- 13. forms as gases and plasma escape from the nucleus
- 14. small chunks of outer space debris
- 15. point at which an earthquake originates
- 18. asteroids that approach but do not cross earths orbit
- 19. also called as "planetoids"
- 22. the most popular and short period comet
- 24. asteroids that cross but spend most of their time outside earths orbit
- 25. measures wind direction
- 26. comes from the debris of an asteroid named 3200 Phaeton
- 28. sudden shaking or movement of the crust
- 29. a part of a comet thats long, visible, and a glowing tail
- 30. tsunamis are mistakenly called this
- 32. located near jupiters orbits and lie within the asteroid belt
- 33. plants far from the sun
Down
- 1. a long period comet
- 4. large, still, and warm
- 6. a group of stars
- 7. lowest layer in the atmosphere
- 9. composed of ice, frozen gas, rocks, and dust
- 10. the amount of light reflected by a planet or any celestial objects
- 11. this is a periodic phenomenon
- 15. pertains to the state in which a tropical cyclone begins to develop
- 16. part of the lithosphere where earthquakes originate
- 17. this meteor shower originates from the constellation Perseus
- 20. meteor survives frictional heating and strikes the ground
- 21. planets close to the sun
- 23. rendered by earths rotation due to its tilted axis
- 24. cross and spend most of their time in earths orbit
- 27. used to detect, measure, and record seismic waves
- 31. a series of huge waves caused by an earthquake