Ohio State University: Rotación y traslación de la Tierra Source Lecture 21: Rotation & Revolution of the Earth Lecture 21: Rotation & Revolution of the Earth Rotation and Revolution of the Earth The Rotation & Revolution of the Earth Rotation and Revolution of the Earth Lecture 21: The Rotation & Revolution of the Earth Source Lecture 21: The Rotation & Revolution of the Earth Lecture 21: The Rotation & Revolution of the Earth