Across
- 1. solstice , Longest day of the year in the Northern Hemisphere.
- 2. , Sun’s yearly path across the sky.
- 12. , Spinning of a planet on its axis.
- 13. sphere , Imaginary sky dome with stars fixed on it.
- 14. , Darkest part of a shadow.
- 15. moon , Thin curved sliver of moon’s light.
- 18. celestial pole, Sky point directly above Earth’s South Pole.
- 20. year , Earth’s orbit time relative to fixed stars.
- 21. eclipse , Only part of the celestial body is covered.
- 22. celestial pole ,Sky point directly above Earth’s North Pole.
- 23. eclipse , Earth casts a shadow on the moon.
- 25. moon ,Moon phase with no visible light from Earth.
- 26. The current North Star.
- 28. , Moon’s growing light phase.
- 29. month , Moon’s orbit time relative to stars.
- 30. , Slow wobble of Earth’s rotational axis.
Down
- 1. month , Time between two new moons.
- 3. year , Distance light travels in one year.
- 4. ,Star groupings that form imaginary patterns.
- 5. , 12-sign belt along the ecliptic.
- 6. year ,Time from one vernal equinox to the next.
- 7. equinox , Spring day when night and day are equal.
- 8. equinox ,Fall day when night and day are equal.
- 9. solstice , Shortest day of the year in the Northern Hemisphere.
- 10. day , Time from one noon to the next.
- 11. equator , Sky’s projection of Earth’s equator.
- 16. eclipse ,,Entire celestial body is obscured.
- 17. moon , Entire face of the moon is lit.
- 19. ,Lighter, outer part of a shadow.
- 24. ,Everything that exists—space, time, matter, and energy.
- 27. day , Time Earth takes to rotate once relative to stars.
- 28. , Moon’s shrinking light phase.