Across
- 3. / getting smaller
- 5. / the phase that occurs halfway between the full moon and new moon
- 6. / the imaginary line that runs around the middle of a planet, halfway between the North and South Poles
- 10. / the path one object takes to travel around another object
- 13. Angle / the angle at which light passes through the atmosphere; measured from Earth's surface
- 14. / a Moon shape that is larger than a first or third quarter Moon, but smaller than a full Moon
- 15. / the shape of the Moon just after and just before the new moon phase
- 17. / an imaginary line that a planet spins on
- 18. / a day of the year when Earth's the North Pole is leaning either toward the Sun or away from the Sun
Down
- 1. / the phase that occurs halfway between the full and new Moon
- 2. / getting bigger
- 4. / the path one object takes to travel around another object
- 7. / The phase of the moon that occurs when the Moon is in the direction of the Sun as seen from Earth
- 8. / the reference star pointed to by Earth's the North Pole
- 9. / the distance measured on Earth's surface east or west of the prime meridian
- 11. / a day of the year when the Sun's rays shine straight down on the equator
- 12. / the angular distance north or south from Earth's equator
- 16. / a period of the year identified by changes in hours of daylight and weather
