Across
- 1. We live on this planet
- 5. The path a stellar object moves around a star
- 6. This is experienced by the half of the Earth in light
- 7. An imaginary straight line between the North and South poles
- 10. This is experienced by the half of the Earth in shadow
- 11. The time it takes for the Earth to make a complete orbit around the Sun
Down
- 2. The action of an object spinning around on its axis
- 3. The force of attraction between objects that have mass
- 4. A natural satellite of the Earth
- 8. The largest object in our solar system.
- 9. A celestial body that appears as a luminous point at night