Correct.
This is my opinion and assumption - which is the beginning of every theory, right?
Well. Every theory begins with a hypothesis which then are supported by evidence. The hypothesis starts with opinions and assumptions.
The evidence of a posible constant recession rate doesn´t come before it can be calculated and eventually confirmed or falsified. (Which not is my favorite cup of tea)
Since it's a very complex interchange of forces happening between Earth and Moon, I strongly suspect it's not as simple as one might think.
For instance, Earth's rotation is slowing down, and the Moon's velocity is increasing, and it's because of the tidal bulge that is pulled forward by Earth's rotation.
I can only think of one of the large ice ages when some 70% of the Earth's oceans were frozen over. The tidal bulge couldn't have been as extreme during that time, and hence not affecting Moon's velocity. So I'd say, just by that fact alone, the recession should have been a lot less than it is now during that time.
But in the theory of the formation of the Solar System in the Milky Way center, all motions from the center must have a fairly constant motion forward to its actual position. And the same goes for the motions of planets and their moons when once ejected from the Sun and their mother planets.
And normally there's no friction. A binary system would stay unchanged unless there was some kind of transfer of energy or mass. In Earth-Moon relationship, the oceans play a large role.
It is this outgoing motion in the galactic center which initially causes the overall receding motions. The energy is transferred in a circuit of formation, driven by electromagnetism in the galactic center.
I'm not sure about that. The gravity vs velocity would find some equilibrium unless the system is changing somehow, but i could be wrong. Satellites are placed in geosynchronous lock where they stay in a fixed position, and fixed distance from Earth. So it's not necessarily true that an orbit become spiral.
What I learned is that the moon's recession has to do with the friction caused by the tidal bulge. It's pulled forward in front of the moon, causing it to speed up and slowing down Earth's rotation. By speeding up the moon's velocity, it's orbit will increase.
All in all there is an actual and overall expanding motion in our Solar System right from the departure from the Milky Way center.
Ok. Didn't know that. Sounds interesting. Do you have an article that I could read?