Across
- 3. Beyond violet in the system
- 4. an array of entities, light waves or particles.
- 6. to retreat
- 7. showing hopelessness
- 10. A three dimensional image presented by light.
Down
- 1. A state of peacefulness, calm
- 2. When the sun reaches its farthest point from the equator
- 5. to stop merchant ships from entering port
- 8. relating to the night
- 9. The shape of the orbit