It moves in its own track or orbit around the sun, as is represented in [Fig. 2].
Fig. 2.
Does the earth always move in the same orbit around the sun?
Yes; the earth moves in the same orbit around the sun, year after year.
How long does it take the earth to move around the sun?
365 days, 5 hours and 49 minutes, or one year.
What makes a year to us?
A year to us is the time required by the earth to move around the sun.
If the earth is in a certain place at noon, on New Year’s day, when will it be in that place again?