Across
- 3. What is the event where the sun is highest in the sky on the northern side of the earth
- 4. Prominent constellation visible in the night sky and known for my distinctive three-star belt
- 6. The slow and gradual change in the orientation of the Earth's axis of rotation
- 9. The point at which the moon is closest to earth
- 11. To measure the direction of an object in the horizontal plane
- 12. The position of a planet when it is at a right angle to the Sun as observed from Earth
- 15. Vertical circle that runs due north and south
Down
- 1. Eight-shaped curve that represents the apparent motion of the Sun in the sky
- 2. Collective name for the 13 constellations
- 5. Two intersection of moon orbit with ecliptic
- 7. An imaginary line that divides the Earth into Northern and Southern Hemispheres
- 8. A celestial coordinate used to measure the eastward angular distance from the vernal equinox.
- 10. The coordinate system that based on earth's orbit around the sun
- 13. The darkest part of a shadow during an eclipse
- 14. What is the degree of the star in the sky for the shape of a fist
