In a nutshell:
There was a primordial singularity. No one knows where it came from or why it existed.
The primordial singularity started expanding very rapidly.
The result of that expansion is the universe, which is still expanding
Initially, there were no stars. Just energy that cooled (coalesced) into the element hydrogen.
When the first stars formed, there were no planets, because there were no heavy metals.
Heavy metals formed in the death throes of the early stars. Those stars went supernova, and produced nebulas filled with heavier elements.
Our sun and planets formed from a nebula. Gravity caused the accumulation of hydrogen, helium, calcium, iron, etc, and after a while, fusion began in the sun.
The planets formed from the remnants of the nebula.
That's just a thumbnail. If you want more, read some actual textbooks on the subject.
@je... People who are misinformed about something should keep their traps shut. If an auto mechanic doesn't know the difference between fusion and fission or U-235, U-238, and Plutonium, he/she should shut the hell up.
Fred. Read my second sentence. Really, try hard. I state that no one knows the origin of the primordial singularity. If you want to believe it was a product of a supernatural intervention, fine. I just don't know. But, once the singularity began expanding, things followed consistent 'laws' (mainly gravity) and what followed can be explained by science.
There was a primordial singularity. No one knows where it came from or why it existed.
The primordial singularity started expanding very rapidly.
The result of that expansion is the universe, which is still expanding
Initially, there were no stars. Just energy that cooled (coalesced) into the element hydrogen.
When the first stars formed, there were no planets, because there were no heavy metals.
Heavy metals formed in the death throes of the early stars. Those stars went supernova, and produced nebulas filled with heavier elements.
Our sun and planets formed from a nebula. Gravity caused the accumulation of hydrogen, helium, calcium, iron, etc, and after a while, fusion began in the sun.
The planets formed from the remnants of the nebula.
That's just a thumbnail. If you want more, read some actual textbooks on the subject.
@je... People who are misinformed about something should keep their traps shut. If an auto mechanic doesn't know the difference between fusion and fission or U-235, U-238, and Plutonium, he/she should shut the hell up.
Fred. Read my second sentence. Really, try hard. I state that no one knows the origin of the primordial singularity. If you want to believe it was a product of a supernatural intervention, fine. I just don't know. But, once the singularity began expanding, things followed consistent 'laws' (mainly gravity) and what followed can be explained by science.