The moon had a fluctuating orbit around the Earth, but recent changes in distance could be caused by the tidal force shifting the planet’s mass.

The moon's gravity causes high and low tides, something known as the tidal force. As the tidal force shifts Earth's mass, it ...

As a symbol, the Moon did not have an easily decipherable meaning – which encouraged medieval people to read it in playful ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases the size of the Moon’s orbit. This means that the Moon gets slightly farther ...