Gradually, small, medium-sized, and huge dense blobs of hot dark matter, prime matter, and/or neutrinos coalesced to start the formation of our Moon, the Earth, and our Sun. The more dense dark matter began to evolve into less dense elements which initiated the growth/expansion process.

Our Moon. With small size and minimal gravity our Moon failed to retain the power to segregate into mantle and core. Instead, as the elements developed and the Moon cooled, a crust developed. It trapped a huge volume of gas, which eventually exploded creating thousands of huge craters over the entire Moon's surface. With further growth/expansion as the dense dark matter evolved into less dense elements, more pressure built up in parts of the Moon, creating thousands of fractures which allowed molten magma to flow out creating the maria and obliterating the older explosion craters beneath the maria. Lingering volcanism persisted until all of the dense matter evolved into elements and there was no energy for growth/expansion remaining after about 2.5 billion years. So our Moon became a dead planet, yet still retains some heat in the subsurface.

Earth. After the astronomers decided that the huge craters on our Moon were caused by meteorite-impact, they naturally concluded that planets formed by cold accretion. The starting point is so critical! I reject impact and cold accretion.

So, as the hot, dense blob of dark matter, which I will call primitive matter, began to evolve into elements, most of the power and activity was concentrated near the surface of the Earth. Thus, low-grade metamorphic phenomena like banded-iron formations and major hydrothermal solution took place in Precambrian time. Banded-iron formations never occurred again; and the power and extent of hydrothermal subsurface solution has progressively diminished.

Now that most of the primitive matter has evolved into elements, the remaining primitive matter is in the core of the Earth. It continues to grow at a fairly regular pace, gradually building up more pressure which is relieved in orogenies which are 10's to 100's of millions of years apart. I don't believe that electromagnetic forces or plasma surges have much influence beyond acting as a possible triggering mechanism for orogenies.

Unlike those of you who believe that creation of matter from energy provides the driving force for growth/expansion, I think the Earth will eventually exhaust its supply of primitive matter and become a dead planet like our Moon. This may happen in 100-500 million years, as a wild guess.

Our Sun. I have considerably less confidence that I understand the evolution of our Sun. I suggest that with such a large volume of primitive matter at the beginning, that everything quickly heated to the point that everything became gaseous. With time, a corona developed and activity on our Sun is now controlled by plasma physics. I think processes on Earth and on our Sun are totally different, although I allow the possibility that the remaining primitive matter in the core of our Earth is in a plasma state.

Conclusions. This proposal can be called the undercooked-cooked-overcooked theory of the evolution of our Moon, the Earth, and our Sun. The basic driving force for growth is the transformation of more dense dark matter (primitive matter) to less dense elements. I hope you notice that I am conceding that the word, growth, is probably more appropriate than expansion, although growth causes expansion.

The 2 factors that influence my thinking most strongly are: 1. The evolution of our Moon to a dead planet. 2. My interpretation of banded-iron formations and Precambrian glaciation being hydrothermal subsurface solution phenomena, both of which imply greater surficial power in Precambrian time. In my opinion, neither of these factors support the energy conversion to matter theory. I think the history of our Moon requires a DEPLETABLE source of energy for growth/expansion.

Six months ago, I was imagining that all elements were created before the Earth was created. So I proposed an ultradense packing of elements that became less dense with a reduction of gravity. After listening to this EE group discussion, I feel much more comfortable with the idea that elements evolved within the Earth, and less confident that gravity has played a significant role.