As an artificial radio source, the spinning Earth would have a period of about a day.

Question

Quizplus · Accepted Answer

The spinning Earth acts as a natural radio source due to its rotation, with a period that matches its rotation period of about a day (24 hours). This is because the Earth's magnetic field and atmosphere interact with solar wind and cosmic rays, producing radio emissions that can be observed and have a periodicity linked to the Earth's rotation.

As an Artificial Radio Source, the Spinning Earth Would Have