Across
- 2. The center of a star is called...
- 6. The moon has large, dark sections of igneous rock called what?
- 9. This color of star is hotter and brighter than other stars
- 10. The faster a particle moves, the ____ it gets
- 12. Pluto, Ceres, and Makemake are all examples of this kind of planet
- 14. When you prefer one thing over another
- 15. A ball of ice and rock that flies in a predictable orbit around the sun
- 16. Evidence based on a story someone told you
- 18. Evidence based solely on fact
- 20. The most dangerous part of the EM spectrum
- 22. This kind of telescope bends light toward the viewer
Down
- 1. This is the outermost layer of a star
- 3. A substance made of only one kind of atom
- 4. The sun is made of this
- 5. This color of star is cooler and darker than other stars
- 7. This kind of telescope bounces light towards the viewer
- 8. This man used the Doppler effect to figure out that stars were moving
- 11. The inner planets are all made of this
- 13. The tail of a comet always points this direction from the sun
- 17. The outer planets are all made of this
- 19. We use this part of the EM Spectrum for thermal imaging, Bluetooth, and remote controls.
- 21. The solar system is heliocentric. Helio means what?