I keep thinking of things and it feels good. I emailed one of my professors about some of my questions. BUT my latest thoughts are about the expansion of the universe.
Every galaxy in the universe is getting further away from overy other galaxy in the universe. Research suggests it is doing this at an increasing speed. Here's the way I visualize it. Imagine Dots (each representing a galaxy) around each dot is a sphere or bubble, the bubbles are increasing in size, pushing every other bubble away but also getting pushed by every bubble, meaning they are all distancing themselves from every other one. Say every bubble grows at the rate of doubling in size every hour. If it starts with a diameter of 2inches, in an hour it will have a diameter of 4 inches, and in two 8 inches. Basically each bubble would grow exponentially and that would cause acceleration. If the universe's expansion is accelerating this must mean there is a constant energy source causing this. I have Three theories.
1. There could be an outside force at some far distanced "border" to the universe pulling all objects equally.
-This seems hard to believe because the way I understand most forces the act more forcefully on objects closer to them (just thinking of gravity here) so things further from the border wouldnt be accelerating as fast as one's on the border.
2. The universe is finite, and is contained in something that is being depressurized. Ever seen a marshmallow in a vacuum chamber? it expands. Think of the universe as that marshmallow in a vacuum chamber.
-This one needs more thought
3.There is as scientists say some dark energy throughout that propels the expansion. Either this is an infinite source of energy, or it is finite and eventually the expansion will stop, the moving objects having taken all the energy from the dark matter.
-Random thought, what if the universe would expand til all matter was gone, then because so much energy had absorbed some how start over. A cyclical universe?
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