AST 2002 Chapter Notes - Chapter 2: Fokker E.Ii, Equinox, March Equinox
Document Summary
What does the universe look like from earth: constellations is a region of the sky with well-defined borders a. i. The familiar patterns of stars merely help us locate these constellations. a. ii. The names and borders of the 88 official constellations were chosen in. 1928 by members of the international astronomical union: the celestial sphere makes the stars in a particular constellation appear to lie close to one another, but may actually be far apart in reality. b. i. We now know that earth seems to be in the center of the celestial sphere only because it is where we are located as we look into space. b. ii. The north celestial pole is the point directly over earth"s north pole b. iii. The south celestial pole is the point directly over earth"s south pole b. iv. The celestial equator which is a projection of earth"s equator into space, makes a complete circle around the celestial sphere. b. v.
