Is dark matter responsible for life to exist?

wegs said:
By ''purpose,'' I meant function, or what does dark matter do? Without it, would life exist? Is it necessary for life to exist?

Not ''purpose'' as in...a pre-destined/determined purpose.
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'How is dark matter essential for life?'
Is that what you're asking?

I think it's probably been answered, but the shorthand is :
- without the mass of DM in the universe, there wouldn't be sufficient mass to cause galaxies to condense from gas and dust
- gas and dust wouldn't collect and get so compressed by gravity so as to initiate fusion, which powers the stars
- fusion in stars generates pretty much all elements heavier than helium (with a couple of exceptions**)
- the universe wouldn't have carbon, nitrogen or oxygen
- without these elements, the universe wouldn't even have organic molecules, let alone amino acids

** Here's an article that talks about the few exceptions:
https://www.forbes.com/sites/ethans...iverse-that-arent-made-in-stars/#7f0f498339e6
 
DaveC426913 said:
'How is dark matter essential for life?'
Is that what you're asking?
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Yep (and also ''why") But, maybe the how answers the why.

I think it's probably been answered, but the shorthand is :
- without the mass of DM in the universe, there wouldn't be sufficient mass to cause galaxies to condense from gas and dust
- gas and dust wouldn't collect and get so compressed by gravity so as to initiate fusion, which powers the stars
- fusion in stars generates all heavy elements
- without heavy elements, organic molecules would never get more complex than simple amino acids
Click to expand...

Thanks for this yea, I think others had explained it. Part of my interest lies in that it's mass that can't be detected as ''visible'' mass can be, so there is a certain amount of guesswork that goes into it, yes? And yet, it's essential for life to exist. I just find that interesting.
 
wegs said:
Thanks for this yea, I think others had explained it. Part of my interest lies in that it's mass that can't be detected as ''visible'' mass can be, so there is a certain amount of guesswork that goes into it, yes? And yet, it's essential for life to exist. I just find that interesting.
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I know what you mean. The way I reconcile it is to remember that, scientifically, we are still in our infancy. It's been less than a century and a half that we had a scientific understanding of stars and life at all. (The isolation of DNA is less than 70 years old!)
Everything that made nature what it is was "invisible" to us until very recently.
It reminds me that the world is still young, that our journey is still on its first leg, and that there's still plenty of road ahead of us to explore.
 
Seattle said:
To worship God.
To make a pie for those who worship God.
To provide a resting place for those who worship God.
To make light meters for those who worship God and to provide a reward for those who didn't chose Arsenic on their way to choosing Selenium.
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lol "light meters''

wow :p
 
wegs said:
By ''purpose,'' I meant function, or what does dark matter do?
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Well, it clearly has mass and so it has gravitational effects. Other than that, we don't know much about it yet, because we haven't identified what it is. There seems to be a lot of of, though.

We know some things that it doesn't do, like that it doesn't interact with light and it appears to be electrically neutral, at least in bulk.
 
wegs said:
By ''purpose,'' I meant function, or what does dark matter do? Without it, would life exist? Is it necessary for life to exist?

Not ''purpose'' as in...a pre-destined/determined purpose.
Click to expand...

DM fascinates me greatly. I try to read as much as I can about it. Recently I even read some comments about it being posited as antimatter. Something (if I remember correctly) stated that observed galaxies in the northern universe hemisphere to Earth (hope I worded it correctly) spin counter clockwise to galaxies we observe in the southern hemisphere to Earth. Stating that antimatter, having opposite charges, could be a possible reason for the opposite galaxy rotations.

I am placing an URL here. Pretty sure I read about this concept while perusing there...although this exact URL may only lead to another DM commentary, or blog. Sorry, if I find the exact URL (to the antimatter galaxies afar comment) I will add it later.

https://www.askamathematician.com/2...e-gravitational-shadow-of-parallel-universes/
 
TabbyStar said:
DM fascinates me greatly. I try to read as much as I can about it. Recently I even read some comments about it being posited as antimatter. Something (if I remember correctly) stated that observed galaxies in the northern universe hemisphere to Earth (hope I worded it correctly) spin counter clockwise to galaxies we observe in the southern hemisphere to Earth. Stating that antimatter, having opposite charges, could be a possible reason for the opposite galaxy rotations.

I am placing an URL here. Pretty sure I read about this concept while perusing there...although this exact URL may only lead to another DM commentary, or blog. Sorry, if I find the exact URL (to the antimatter galaxies afar comment) I will add it later.

https://www.askamathematician.com/2...e-gravitational-shadow-of-parallel-universes/
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So much drivel and utter confusion. 'Shadow matter' the speculative topic of actual linked article has no connection there to anti-matter at all let alone implying opposite charge weirdly causes opposite spins of galaxies in opposed hemispheres. Any departures from purely random large scale galaxy spin distributions will be statistically insignificant.
 
kx000 said:
But, the paramount of God?
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There is absolutely no evidence for any god, let alone any imagination about him/her/it being paramount.
Plus of course it is an unscientific concept and as such, should be discussed in the religious and/or mythical threads.
 
paddoboy said:
There is absolutely no evidence for any god, let alone any imagination about him/her/it being paramount.
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Hang on now - let's hear the man out.

I'm pretty sure that kx000 just declared that God's purpose is determined by me.

D: Natural things don't have a purpose.
K: You cant climb the mountain and be upon the paramount?
D: Of course you can. That may be your purpose, but it's not the mountain's purpose.
K: But, the paramount of God?

If you unpack that, he is saying that God is there for me to climb, if I choose.

That is definitely sounding better than the brochure seemed to indicate.
 
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DaveC426913 said:
Hang on now - let's hear the man out.

I'm pretty sure that he just declared that God's purpose is determined by me.

D: Natural things don't have a purpose.
K: You cant climb the mountain and be upon the paramount?
D: Of course you can. That may be your purpose, but it's not the mountain's purpose.
K: But, the paramount of God?

If you unpack that, he is saying that God is there for me to climb, if I choose.

That is definitely sounding better than the brochure seemed to indicate.
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I think all we can unpack is that he doesn't speak English.
 
paddoboy said:
There is absolutely no evidence for any god, let alone any imagination about him/her/it being paramount.
Plus of course it is an unscientific concept and as such, should be discussed in the religious and/or mythical threads.
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Skepticism is the same thing as faith... such a sham.
 
kx000 said:
Skepticism is the same thing as faith... such a sham.
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No, skeptisim is the basis of the scientific method, and when employed it shows distinctly that there is no evidence for any IDer. And like all supernatural and paranormal is based on myth and ignorance.
And in case you are unaware this is a science forum.
 
paddoboy said:
No, skeptisim is the basis of the scientific method, and when employed it shows distinctly that there is no evidence for any IDer. And like all supernatural and paranormal is based on myth and ignorance.
And in case you are unaware this is a science forum.
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Agree to disagree.
 
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