Is the Earth’s orbit an ellipse?

The center of mass of the Earth Moon system moves in an elliptical orbit. The Earth’s orbit is close to an ellipse, but it is distorted by the influence of the Moon.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.