The conclusion - and the differences in conclusion - are rather simple.
If there is something out there that has mass - and that could even be non-baryonic matter: neutrinos, for example - then it it will cause a certain effect: gravity.
But if its not mass, then gravity is only an assumption, and the dark matter explanation is meaningless and unnecessary.
This is a conclusion based on our knowledge of physics: mass causes gravity.
There is no knowledge of physics where dark matter has mass, and that dark matter mass causes gravity. Dark matter is imaginary matter that scientists are trying to determine if it could be real.
There is no problem. As I said, we are not yet looking for the correct explanation... just an explanation. All we have to postulate that there is something having mass out there which we cannot "see" (yet)... and that would bring the observed effect. It might be something completely different... the important part is "would bring the observed effect".
Why would we postulate mass in the first place? We havent even established that the observed effects is gravity. Have we ever observed gravity in the absence of mass? Then why are we still assuming gravity even though there is not enough mass?
The fact that not enough mass is detected to exert the amount of gravity that is said to be observed should falsify the idea of gravity, but it doesnt. Instead, ad-hoc exotic matter is invoked to save the gravity theory.
Instead of looking for an alternative to ordinary matter we should be looking for an alternative to gravity since gravity has been falsified by the absence of mass.
No mass, no gravity, right?
Mass is know to bring that effect. Electromagnetic field are also known to bring that effect. Little girls in tu-tus shoving around stuff are also known to bring that effect.
God is NOT known to bring that effect.
If it was once known by mankind that God brings that effect but it was forgotten by man that He does, would that count?
If all mankind over time forgot that Einstein was a real person, would Einsteins math equations still be relevant?
"God did it" can not, just as "hammer did it) is (without further, even unmentioned knowledge) not an explanation for the nail in the wall.
God is not an object, He is a person. Would I did it constitute an explanation, even without the hammer.
Non-baryonic matter is "atomless", by the simply fact that atoms themselves are made up from baryons. But baryons are not the only existing particles. I already mentioned Neutrinos, which are quite detectable non-baryonic particles.
Neutrinos are classified as ordinary matter, even as electrons are, both of which are said to be detected. Dark matter is classified as exotic matter, not ordinary, and is not detected. Big difference.
That is a false use of the term "hypothetical". Something hypothetical is proposed to exist. It may... or it may not. It is not up to you to dogmatically state that it does not, because it is only proposed.
I propose God did it.
God is atomless, transparent, scientifically undetectable - thus hypothetical, and thus, based on your reasoning, does not exist. Perhaps you should refine your reasoning.
God is only hypothetical for the sake of the argument, but in reality He is very much real. Ive met Him personally.
My point is that if the unknown hypothetical dark matter constitutes a valid explanation, then the unknown hypothetical God constitutes a valid explanation as well.
Not necessarily. I don´t have to "test" a cube to know that it has six sides. Six sides is what a cube IS. If it doesn´t have six sides, it isn´t a cube. Even if I had never seen a "real" (atomic, opaque, scientifically detectable) cube, I would know that it has six sides.
I dont see how, unless its an imaginary object given the name Cube.
An object must first be observed or imagined before it is given a name. The name is given based on how the object looks or behaves. It looks to have six sides and we will call it Cube. Apart from the observation or the imagination the name Cube has no meaning since there is nothing to apply the name to.
Even hypothetical cubes have six sides.
A hypothetical cube can also have sixty sides if its imaginary.
This "puny" planet... a lot larger than our earth, was purely hypothetical for more than twenty years! It was only inferred, never observed. How do you think that was possible?
Planets are a valid hypothesis. They are known.
Dark matter has never been said to be "scientifically undetectable"... these are only your views. It might be scientifically undetected, but not undetectable.
Its not known or ever been known to be a real substance, and its not known or ever been known to be detected. Its imaginary. We cannot detect something imaginary.
I can imagine God as well. They are some beings that are superior to others. Thats a fact that is known. I imagine there is one that is superior to all the rest, a Supreme Being, and I call Him God.
I can imagine God and then try to determine if my imaginary idea is real by looking for the things I imagined should be present as verification of God. Until I find them He remains imaginary.
I have already pointed out that your usage of "scientifically undetectable" is only a strawman. Based on that alone, the two options are not comparable.
I think they are. Both dark matter and God are not scientifically 'known'.
But if you continue to insist they are... I would really like to have my last post answered: how do you get that squared with your professed belief?
I already answered.
Its a hypothetical argument to show that "God did it" can be use in place of "dark matter did it" as an explanation since both dark matter and God are not scientifically known.