Across
- 4. Motion / the direction opposite to the movement of something else
- 5. / a fairly bright star located within one degree of the north celestial pole
- 8. Meridian / the planets zero of longitude
- 10. / having the Sun as the center
- 11. Solstice / the solstice that marks the onset of summer
- 13. / a megalithic monument on Salisbury Plain in Wiltshire, England
- 14. / a horizontal angle or direction of a compass bearing
Down
- 1. Unit / the distance from the center of the Earth to the center of the Sun
- 2. Zones / any of the 24 regions of the globe throughout which the same standard time is used
- 3. Equinox / autumnal equinox
- 6. Equinox / vernal equinox
- 7. / an imaginary line which a planet rotates on
- 9. / having Earth as the center instead of the Sun
- 12. Solstice / the solstice that marks the onset of winter