Across
- 4. less illuminated than a full moon but larger than the moon at third quarter
- 5. a real or imaginary line on which something rotates, or a straight line around which things are evenly arranged
- 11. first phase of the moon
- 12. the sun illuminating only a little of the left of the moon
- 15. an eclipse in which the sun is obscured by the moon
- 17. an eclipse in which the moon appears darkened as it passes into the earth's shadow
- 19. the dark central part of a sunspot
- 20. the process or act of turning or circling around something
Down
- 1. the phase of the moon in which its whole disk is illuminated
- 2. a respectably large fraction of the moon's dayside faces our way
- 3. an eclipse of a celestial body in which only part of the luminary is obscured or darkened
- 6. the sun illuminating only a little of the right side of the moon
- 7. an eclipse in which the whole of the disk of the sun or moon is obscured
- 8. primary moon phase when half of the moon's surface is illuminated
- 9. two full moons in one month
- 10. the natural satellite of the earth
- 13. appears to be half illuminated by the sun
- 14. summer winter fall spring
- 16. the partially shaded outer region of the shadow cast by an opaque object
- 18. the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution