Rotation & Revolution pt. 1

Rotation & Revolution pt. 1

1. Rotation

   • The universe is constantly moving, and so are the celestial bodies that it contains.
     • The Milky Way spins around its central point. It completes a full rotation every 255 M years.
     • The Earth completes a full rotation aproximately every 24 H.
       • Consequences
         • Day and night.
         • Existence of the hours and time zones; 24 equal parts of the earth that correspond to an hour of the earth's rotation
         • Movement of the sun on the horizon
           • Appears in the east and disappears in the west.
             • Noticeable because we have four cardinal points.