Across
- 4. a thing that uses a telescope.
- 6. a system transmitting voices.
- 7. lens larger than standard.
- 8. a small rocky body orbiting the sun.
- 9. a person that communicates using photos
- 12. a system using to watch movies/shows.
- 13. a picture made using a camera.
- 15. the region of the atmosphere above the mesosphere.
Down
- 1. a symbol.
- 2. a montage made with the opposite of video.
- 3. person speaking using device.
- 5. system transmitting messages using wires.
- 6. producing electricity by a difference of temperatures.
- 7. transmit by television
- 10. an expert of astronomy.
- 11. relating to plants.
- 12. relating to heat.
- 14. the study of the movements and relative position.