The average distance from the Earth to the Moon is about **3,84,000 kilometres**. This distance varies because the Moon goes around the Earth in an **elliptical** orbit and the distance changes.

At any given point of time, we can calculate the distance to the Moon very **accurately**. We don't have to go all the way to the Moon to calculate the distance. We can calculate it from the **Earth** itself.

How is the distance to the Moon's surface calculated? Let's learn about this very accurate method in this module.