Because the Earth completes one whole revolution
in its orbit around the sun in exactly one year.
In fact, one revolution is the definition of year.
The Earth's annual motion around the sun is called a revolution.
The Earth's annual motion around the sun is called a revolution.
The Earth's annual motion around the sun is called a revolution.
This is known as an orbit. An orbit consists of 365 days, which is a year in our calendar.
the motion is called revolution
revolution
revolution
Its orbit.
It is caused by the earths tilt on its axis.
We call the Earth's daily motion "rotation", and its period ... about 24 hours ... a "day". We call the Earth's annual motion "revolution", and its period ... about 365 days ... a "year".
It could be called a rotation, orbit, revolution, etc...
An annual aberration is a deviation due to the earth's orbital motion.