The angular momentum of the Earth is indeed decreasing, leading to a gradual slowdown in its orbit around the Sun. This phenomenon is primarily attributed to the accumulation of cosmic dust entering the Earth's atmosphere, which contributes to a minor but measurable reduction in angular momentum. While the exact rate of this decrease is not specified, it is acknowledged that this effect results in the Earth being slightly behind its expected orbital position over time.
PREREQUISITESAstronomers, physicists, and students of planetary science will benefit from this discussion, particularly those interested in the dynamics of Earth's orbit and the factors influencing its angular momentum.
Tax Tom said:Does anyone know for sure if it's true that the angular momentum of the Earth has been decreasing, and that therefore the Earth is slowing down in it's orbit around the Sun, and is currently several "months" behind where it should be, in orbit?