Across
- 3. use for heat and thermal detection
- 5. weakest in roygbiv spectrum
- 9. longest wave length
- 11. other name for big dog
- 13. other name for big bear
- 14. Copernicus discovered heliocentric theory
- 15. discovered laws of motion
- 17. a^2+b^2=c^2
Down
- 1. telescope a telescope that uses a single or a combination of curved mirrors that reflect light and form an image
- 2. discovered the planetary motion
- 4. the bull of the zodiac
- 6. discovered geocentric theory
- 7. shortest wave length
- 8. telescope is a type of optical telescope that uses a lens as its objective to form an image
- 10. strongest in roygbiv
- 12. waves use for communication
- 16. m=mv^2