Across
- 2. an imaginary line that runs horizontally around earth's widest part
- 6. the star that the axis is tilted towards
- 11. the period when the lunar illumination is increasing
- 13. the half of the earth above the equator
- 14. the number of days from waxing crescent to full moon
- 15. the darkest part of a shadow
- 16. tide occurs when the solar and lunar tides cancel each other out during 1st and last quarter
- 17. the number of days it takes the moon to travel a quarter of its orbit
Down
- 1. when sun's rays hits the earth at a 90 degree angle
- 3. the orbiting of the earth
- 4. the spinning of the earth
- 5. also known as a blood moon
- 7. occurs when the earth's axis is tilted towards the sun
- 8. a line that runs from the north to south pole
- 9. created by the gravitational pull of the moon
- 10. occurs when the earth's axis is tilted away from the sun
- 12. when the moon is greater than 50% illuminated but less than full
- 16. occurs when the moon is directly in between the earth and the sun