Across
- 1. sun-centered, heliocentric, model solar system
- 5. improved refracting telescope, moons of Jupiter
- 6. spectrum includes frequencies radiation
- 7. uses curved mirrors to see far object
- 9. used to break up sun's light in spectrum
- 10. invented reflecting telescope, concept of inertia
Down
- 2. uses lenses to see distant objects
- 3. detects radio waves-invisible radiation
- 4. shift in wavelength, moving toward or away
- 8. anything that has mass and takes up space
- 11. ability to do work