Match each term to its definition. 1 altitude 2. celestial equator 3. celestial sphere 4. circumpolar 5. Declination 6. ecliptic 7. horizon 8. latitude 9. longitude 10. meridian 11. nadir 12. north and south celestial poles 13. Right Ascension 14. zenith the projection of the Earth’s rotation axis onto the celestial sphere angular distance north or south of the equator on Earth the point overhead, directly above an observer the apparent path of the Sun across the sky a line running from the north point on an observer’s horizon, through the zenith, to the south point, cutting the sky into east/west halves angular distance east or west of the Prime Meridian, measured along the equator on Earth angular height above the horizon the sphere of the sky angular distance of an object north or south of the celestial equator the point opposite the zenith, directly below an observer the great circle that cuts the observer’s sky into the half he can see and the half he can’t see because it is blocked by the Earth objects that neither rise nor set angular distance of an object measured eastward from the Vernal Equinox along the celestial equator the projection of the Earth’s equator onto the celestial sphere