earth

earth is unique partly because of it distance from the sun. it is just the right distance to receive the heat that is needed to support life.earth also has water and oxygen two other necessities  for plant and animal life.earth takes 365 1/4days to complete 1 orbite around the sun.earth rotates on an imaginary axcil which is call axis.this axis runs through the center of the earth from the north pole to south pole.a 23 1/2 angle. earth rotates on its axis making a complete rotation every 24 hours 1 day.earth rotation create day night as earth rotates part of it is turned away from the sun.   .