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Author Topic:   How do creationists explain stars?
cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 17 of 297 (292100)
03-04-2006 12:33 PM
Reply to: Message 16 by tanzanos
03-04-2006 4:39 AM


Big pedant!
A very good starting point will be to read Steven Hawkin's 'A Brief History of Time'.
I find Stephen Hawking's 'A Brief History of Time' to be even better
This message has been edited by cavediver, 03-04-2006 12:33 PM

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 45 of 297 (292894)
03-07-2006 4:47 AM
Reply to: Message 42 by rgb
03-07-2006 12:43 AM


A couple of quick points...
Since some gas clouds we know of are many light years in diameter, some as large as 300 ly accross, we will focus on the smaller size ones, especially the ones that will suppose to give rise to individual main sequence stars.
You then use a cloud of diameter 300 ly...
Using this diameter (10^18m) you have a volume of 10^54m3 and hence a molecule count of 10^66 at your density. I would thus revisit your mass of 10^121kg which is somewhat(!) larger than the mass of the observable universe...

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 79 of 297 (321235)
06-13-2006 7:32 PM
Reply to: Message 77 by kuresu
06-13-2006 6:58 PM


Re: RE Age of Stars
Point is, energy can be made, not just converted to other forms of energy.
No, it cannot. In your example, "mass" is your other form of energy. Just about all the mass you think you measure is actually just binding energy - from the strong force.

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 84 of 297 (321351)
06-14-2006 6:21 AM
Reply to: Message 81 by kuresu
06-13-2006 8:06 PM


Aside on energy and mass
Mass is essentially made up of two components - rest mass and "conventional" energy.
For example, a hydorgen atom is made up of the rest mass of the four fundemental particles of which it is made: 1 eletcron, 2 up quarks, and a down quark. This totals about 16 MeV. The mass of the hydrogen atom is close to 1GeV!!! Just about all the unaccounted 984 MeV is from binding energy between the quarks, and a tiny tiny fraction from the electromagnetic binding energy between the electron and the proton.
So mass, to all intents and puposes IS energy. The only "matter" bit of the mass accounts for less than 2% of actual mass.
And even the rest mass is not sacred as "pair annihilation" (matter/anti-matter annihilation) will reduce matter (electrons, quarks, etc) to photons, and so even the rest mass has gone now!

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 97 of 297 (321732)
06-15-2006 3:33 AM
Reply to: Message 95 by Rob
06-15-2006 2:19 AM


Re: RE Age of Stars
Ah yes.. String Theory. So, you move beyond physics to metaphisics, so that you can deny the metaphysical claim of theists?
Apparent metaphysics to the layman, perhaps, but not in reality. We call it mathematical/theoretical physics.
----
Cavediver (One-time String Theorist)

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 98 of 297 (321734)
06-15-2006 3:46 AM
Reply to: Message 94 by Rob
06-15-2006 2:15 AM


Re: Forbidden Lens
The Kallum cosmological argument says that everything that begins to exist, has a cause.
Yes, and this argument is fundementally flawed as applied to the universe - fallacy of composition I think the guys round here call it. I just call it wrong
The universe began to exist... Why? Because an entropic (2nd law of thermodynamics) system, such as ours, could not have existed eternally, since it would have had all of eternity for the energy to come completely apart.
Not true. Diffciult to explain in the time I have now (should be working!) but most certainly untrue.
I just know that it cannot prove that God in the omnipotent and all powerful way He is described in the Bible cannot exist and could not create the universe pre-formed, including light already positioned as it would be years later.
Of course it can't. Last-Thursdayism can be applied at any point in our history. It is just a little ugly. The workings of this universe are incredibly beautiful. The idea of God just poofing them into existence mid-flow is bizarre and immensely unaesthetic relative to the workings themselves. Perhaps if God had a hang-over from hell after partying on day 0, then I could understand such a bodged creation effort on day 1... but it doesn't fit comfortably with me.
because I believe all life was created pre-formed because it is irreducibly complex
If God made us pre-formed, why are we made of this unimaginably complex stuff? Why are we not just animated clay as Genesis 2 suggests? One or other fits perfectly - pre-formed clay, or evolved complex matter - but the creationist half-way house of pre-formed complex stuff is simply weird and unpalatable, and does not sound like my God at all.
---
Cavediver (Christian and Scientist but not Christian Scientist )

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 99 of 297 (321744)
06-15-2006 5:27 AM
Reply to: Message 89 by fallacycop
06-14-2006 10:40 PM


Re: Aside on energy and mass
forgot to mention that even that little bit of "mater" is most likely also due to the interaction of these particles with the "sea" of Higgs field(s)
Hmmm, I certainly didn't forget. Just not convinced The fermionic masses and Higgs don't sit well together. The Higgs mechanism is a fine part of the Standard Model for the massive gauge particles (Ws and Z) but the whole massive fermion sector is more a signal of the breakdown of the Standard Model, and will be better explained by a more fundemental level: possibly String/M-theory.

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 121 of 297 (325578)
06-24-2006 3:56 AM
Reply to: Message 120 by Phat
06-24-2006 3:31 AM


Re: what debate?
Hi Phat, I think Percy's missing a comma
"Even before Darwin, geologists..."

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 123 of 297 (325581)
06-24-2006 4:22 AM
Reply to: Message 113 by Rob
06-24-2006 2:20 AM


Re: what debate?
What do you think of Paul Davies, from the Australian centre for Astrobiology?
He's alright... Hasn't done much since leaving University of Newcastle, England (late 80's) but don't tell him I said so
he and some collegues have some interesting things to say about the speed of light slowing down...
Sort of interesting. Probably not correct, as many pointed out (Steve Carlip in PHys Rev D 67 023507 for example)
What Davies and his students are saying is that microscopic changes in alpha (the fine structure constant) that may have been observed in the early universe (~12 bilion years ago) can be translated into microscopic changes in c (the speed of light) through an argument based upon black hole thermodynamics. However, as Carlip points out, this argument is not particularly sound.
However, it is possible that the speed of light has changed slightly (in wahtever way this can be interpreted)...
If the Speed of light is decaying as some say, then the appearant age of the universe is way off. WAY Off!
That's right: the universe as we measure it at 12 billion years old is actually some tiny fraction of a percent different to 12 billion years old. Amazing. If I'd realised that such a small change was all it required to align cosmology and YEC ideas I would have published my book years ago Nice try... no banana
I see you picked up on the newspaper editor's comment about an infinite c at the big bang Notice this was not Paul's comment. Even if this were true, it does not change the fact that 12 billion years ago is still just about 12 billion years ago. Sorry.

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 126 of 297 (325587)
06-24-2006 5:17 AM
Reply to: Message 124 by Rob
06-24-2006 5:01 AM


Re: what debate?
Sounds to me like an answer to the question of this thread. Not a no brainer for any parties involved...
Sorry for being dense, but I'm not with you. Can you explain what you mean?

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 165 of 297 (326076)
06-25-2006 10:43 AM
Reply to: Message 161 by Rob
06-25-2006 1:23 AM


Re: what debate?
I have to think the Hawking quote did it's job, as no-one has yet to comment:
quote:
'Thus the future of the universe is not completely determined by the laws of physics, and it's present state, as Laplace thought. God still has a few tricks up his sleeve.'
Sadly this quote is depends upon a certain feature that Hawking believed black holes possessed. He has since conceded that he was probably mistaken. The universe still appears deterministic.

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 182 of 297 (326374)
06-26-2006 9:43 AM
Reply to: Message 180 by PetVet2Be
06-26-2006 9:31 AM


The laws of physics deny the possibility of stars forming.
Well, as an astrophysicist I would have to say you are wrong
Care to show me your calculations?

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 199 of 297 (327057)
06-28-2006 4:23 AM
Reply to: Message 198 by rgb
06-28-2006 3:19 AM


Re: what debate?
Hi rgb,
Rob, I think I have finally understand your mindset
I'm glad because I've personally been quite impressed with Rob's attitude both here and across the board, and I think you've been giving him quite a rough time He demonstrates a humility in his faith which is all too rare here at EvC, but i do think his humility is often misunderstood...
Just a quick comment on Rob's conversation with Sylvain Porier: to deny a miracle based upon physical laws is just silly. If miracles exist, they are often by definition outside the natural scheme of reality. If they are instigated by God, then there is no problem. Perhaps he simply swaps one universe lacking in loaves and fish for one with slightly more. It would perhaps explain why they are not more commonplace! Trying to refute miracles based upon science is a rather futile exercise, and any scientist whether theist/agnostic/atheist should have the sense to realise this.
Anyway, all off-topic so I'll stop now
Edited by cavediver, : No reason given.

This message is a reply to:
 Message 198 by rgb, posted 06-28-2006 3:19 AM rgb has replied

Replies to this message:
 Message 201 by ramoss, posted 06-28-2006 12:35 PM cavediver has replied
 Message 202 by rgb, posted 06-28-2006 1:21 PM cavediver has replied

cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 203 of 297 (327205)
06-28-2006 1:40 PM
Reply to: Message 202 by rgb
06-28-2006 1:21 PM


Re: what debate?
Working backwards
I've seen scientists say stupid things, but not this stupid.
You need to spend more time in academia. I have heard this and far worse!!!
Why else would an academic try to disprove a miracle with science?
Again, I've heard it many times. Not that it's difficult to point out how daft such a point is, and usually the scientist does tend to shuffle away mumbling. That's why I had to smile when I heard Rob's story.
Does that sound like humility to you? It's just assuming that since I know little about biology, what I do know about biology must be the limits of human knowledge in this field. It's the mindset of a teenager who thinks that his teachers don't know anything beyond what he knows.
The humility comes when one realises "hey, I'm out of my depth here with people who actually know what they are talking about". Oh, if just about everyone could think this when they come to give me THEIR theories on black holes YECs are a minor irritant compared to them...
And also, don't forget that these ideas are not usually generated in isolation. Most of this comes from ICR and AIG. If you are a Christian, who do you trust implicitly? Other Christians. They will never lie, never distort the truth. And the Christians over at ICR and AIG tell us all this wonderful stuff about how science completely backs up YECism, how archaeology completely backs up the OT, etc, etc.
It is no surprise that guys like Rob turn up with these ideas and espouse them. To then realise that one is out of one's depth and back away, as Rob has done, is where the humility lies. Good for him.
I notice Ramoss' point above, and think it is extremely unfair. Such a changing of one's worlview is not going to occur after a few days' talking with anonymous strangers at some internet site. If it occurs, it will be down the line.
Is it humility or just a self-defense tactic?
I think it is a bit of both. Knowing how much if each is beyond my current ESP capability, but I'm happy to give the benefit of doubt.
I think you are impressed because you are too used to dealing with the typical know-it-all creationist.
This is only too true
please don't ever get trapped down there
Too late for that! And trapped is not a state, it's just a question... "for how long?"
And how off-topic is this? How do I suspend myself?
OFF TOPIC - Please Do Not Respond to this message or continue in this vein.
AdminPD
Edited by cavediver, : No reason given.
Edited by AdminPD, : Off Topic Warning

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cavediver
Member (Idle past 3672 days)
Posts: 4129
From: UK
Joined: 06-16-2005


Message 204 of 297 (327214)
06-28-2006 1:51 PM
Reply to: Message 201 by ramoss
06-28-2006 12:35 PM


Re: what debate?
You expect too much too soon...
And is there any need to have a correct scientific worldview? 99.9% of homo sapiens manage without one.
I cannot possibly argue with "I believe there was a Genesis flood." It is only when it is backed up with lies that it is a problem for me - "of course the flood is scientifically possible, and there's so much evidence for it"
ABE: Similarly "I believe God created the stars 6000 years ago" is fine. "Astrophysics is wrong, stars cannot form naturally, and obviously God made them 6000 yeas ago" is not...
Edited by cavediver, : To bring back on-topic

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