Across
- 3. the action of rotating around an axis or center
- 4. the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic
- 6. Light bouncing off a surface, illuminating other objects is called indirect lighting
- 7. quarters of the year
- 10. the top and bottom of the earth
- 11. move or cause to move into a sloping position.
Down
- 1. the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of approximately equal length (about September 22 and March 20).
- 2. an invisible line around which an object rotates, or spins.
- 3. how we have years
- 5. a invisible line that goes through the earth
- 8. the angular distance of a place north or south of the earth's equator
- 9. the time or date (twice each year) at which the sun reaches its maximum or minimum declination, marked by the longest and shortest days (about June 21 and December 22).