Across
- 3. To seek for something, examine
- 5. One hundred years
- 6. A small rocky body orbiting the sun
- 7. Study of the stars planets
- 9. Difficult or complicated
Down
- 1. Rays that produce red light and can not be seen by humans
- 2. Have confidence in someone or something
- 4. Synonym of enormous
- 6. Accordance
- 8. Glass for vision