Across
- 2. as much as possible,100%
- 6. essential
- 7. a room or building housing an astronomical telescope
- 10. is a curved piece of glass or plastic used in cameras,telescopes
- 11. learned about become aware of something
- 13. to send back from a surface
- 14. part of a group
Down
- 1. to look at or see something
- 3. to watch carefully in order to learn something new
- 4. a domed building in which images of stars, planets, and constellations
- 5. an optical instrument designed to make distant objects appear nearer
- 8. how large or small something is
- 9. thought of and made something new
- 12. arrive at a place