the revolution of the sun around Earth the revolution of Earth around the sun the rotation of the sun around Earth the rotation of Earth around the sun
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Many types of motion occur in our solar system. Which type of motion describes one Earth year?
Possibilities:
- the revolution of the sun around Earth
- the revolution of Earth around the sun
- the rotation of the sun around Earth
- the rotation of Earth around the sun

the revolution of Earth around the sun