Earth Terms

1.5 - Be able to use the major divisions of the Earth’s surface as astronomical reference points, including:
a) Equator
b) Tropic of Cancer
c) Tropic of Capricorn
d) Arctic Circle
e) Antarctic Circle
f) Prime Meridian
g) North Pole
h) South Pole

In this section we look at:


Other Useful Terms
  • Zenith the point directly above the observer.
  • Nadir refers to the point directly below the observer.
  • Altitude means how high a star or object is.
  • Azimuth is the number of° an object is from North.