Register | Sign In


Understanding through Discussion


EvC Forum active members: 65 (9164 total)
7 online now:
Newest Member: ChatGPT
Post Volume: Total: 916,913 Year: 4,170/9,624 Month: 1,041/974 Week: 368/286 Day: 11/13 Hour: 1/1


Thread  Details

Email This Thread
Newer Topic | Older Topic
  
Author Topic:   How did round planets form from the explosion of the Big Bang?
Huntard
Member (Idle past 2325 days)
Posts: 2870
From: Limburg, The Netherlands
Joined: 09-02-2008


Message 3 of 156 (541985)
01-07-2010 7:16 AM
Reply to: Message 1 by Aptera
01-06-2010 2:32 PM


Hello Aptera, Welcome to EvC!
Aptera writes:
According to the theory of evolution to the extent of my knowledge, the universe originated from an infinitely small, infinitely dense and infinitely hot piece of matter.
Sorry, but you're wrong already (don't worry, many people that come here get this wrong). The therory of evolution only talks about the development of life. Everything that came before that is not a part of the theory.
First, where did this come from?
It didn't "come" from anything. With that I don;t mean it came from nothing. It's not really my strong point, physics, but I believe it was some sort of shifting of energy into a different state. That is the state we are in today. And before you start asking what was there "before the big bang", that question is nonsensical. Think of it like the question, what is north of the north pole, that makes no sense either.
Next, why/how did this material spontaneously explode?
It didn't explode. The big bang was the expansion of spacetime, which continues to this day.
How did round planets form? Normally when something explodes, it is not round.
Planets are round because of gravity. And again, there was no explosion.
Rock is denser than the gases in our atmosphere, is it not? So, assuming we have an explosion with sufficient material and conditions to create round planets, wouldn't there be a gas "bubble" near the source of the explosion?
If there was an explosion perhaps.
Hope this help clear some stuff up.
Edited by Huntard, : Forget to quote something

I hunt for the truth
I am the one Orgasmatron, the outstretched grasping hand
My image is of agony, my servants rape the land
Obsequious and arrogant, clandestine and vain
Two thousand years of misery, of torture in my name
Hypocrisy made paramount, paranoia the law
My name is called religion, sadistic, sacred whore.
-Lyrics by Lemmy Kilmister of Motorhead

This message is a reply to:
 Message 1 by Aptera, posted 01-06-2010 2:32 PM Aptera has not replied

  
Huntard
Member (Idle past 2325 days)
Posts: 2870
From: Limburg, The Netherlands
Joined: 09-02-2008


Message 11 of 156 (542013)
01-07-2010 9:09 AM
Reply to: Message 8 by Aptera
01-07-2010 8:27 AM


Aptera writes:
Well, By the mathematical probability of God I mean that we have not experienced a god.
Some claim to have experienced him. I however, do not find that convincing evidence for myself to justify a believe in him.
By belief in a theory, I mean that as of yet I am not convinced.
Ok, fair enough. Ask, and perhaps through our answers and your own research, you'll be one day convinced by the evidence.
I believe in god, but I do have some doubts.
This is something you should work out yourself, I feel. I will say however that there are many people who believe in god who are also convinced by the evidence that evolution is true.
What you believe, you choose to believe in.
I don't "choose" to "believe" in something. I am either convinced or unconvinced by the evidence that some claim is true.
Gravity is observable (please, don't get riled about this one) where as basically what I have heard on here nobody knows about the big bang theory.
I thikn some physicists might disagree with you on not "knowing" the big bang theory. True, no one has observed the big bang, but this isn;t necessary to draw conlcusions from the evidence it did leave behind.
So the universe was created through a space-time "gap"?
This is all kind of hard for me to explain. I hope cavediver or Son Goku can give a very basic explanation. In the meantime, look it up on Wikipedia (just search for big bang). That should point you in the right direction.
If you need some clarification, please ask, we're here to help.

I hunt for the truth
I am the one Orgasmatron, the outstretched grasping hand
My image is of agony, my servants rape the land
Obsequious and arrogant, clandestine and vain
Two thousand years of misery, of torture in my name
Hypocrisy made paramount, paranoia the law
My name is called religion, sadistic, sacred whore.
-Lyrics by Lemmy Kilmister of Motorhead

This message is a reply to:
 Message 8 by Aptera, posted 01-07-2010 8:27 AM Aptera has not replied

Replies to this message:
 Message 13 by slevesque, posted 01-07-2010 10:40 AM Huntard has replied

  
Huntard
Member (Idle past 2325 days)
Posts: 2870
From: Limburg, The Netherlands
Joined: 09-02-2008


Message 24 of 156 (542188)
01-08-2010 8:17 AM
Reply to: Message 13 by slevesque
01-07-2010 10:40 AM


slevesque writes:
I thin that what he means is that even though your choice is evidence-based, it remains a choice in the sense that you decide that you have enough evidence to put your confidence in a given theory.
True. I wouldn't call that a belief though. And usually, I'll say something like: "Current evidence points to this and that, there are doubts however as to the accuracy of this". Or something along those lines.
The point where you decide you have enough evidence could be viewed as a choice, although probably unconsciously in some/most cases.
Yes. But when there is overwhelming evidence for a claim, and none to almost none against it, should we really then doubt if it is true? My "beliefs" are always tentative anyway, and when better or contradicting evidence comes to light, I'm not afraid or unwilling to change my "beliefs" and admit I was wrong in that particualr case. I've done so several times on this forum, and it's not something one should be ashamed of, methinks.

I hunt for the truth
I am the one Orgasmatron, the outstretched grasping hand
My image is of agony, my servants rape the land
Obsequious and arrogant, clandestine and vain
Two thousand years of misery, of torture in my name
Hypocrisy made paramount, paranoia the law
My name is called religion, sadistic, sacred whore.
-Lyrics by Lemmy Kilmister of Motorhead

This message is a reply to:
 Message 13 by slevesque, posted 01-07-2010 10:40 AM slevesque has not replied

  
Huntard
Member (Idle past 2325 days)
Posts: 2870
From: Limburg, The Netherlands
Joined: 09-02-2008


Message 40 of 156 (543069)
01-15-2010 7:06 AM
Reply to: Message 39 by Son Goku
01-15-2010 6:34 AM


Re: Danger Will Robinson
How does an infinite universe fit with the big bang? I mean, if it could be condensed into an infintisamely small point, then grew larger, it certainly wasn't infinite, right?

I hunt for the truth
I am the one Orgasmatron, the outstretched grasping hand
My image is of agony, my servants rape the land
Obsequious and arrogant, clandestine and vain
Two thousand years of misery, of torture in my name
Hypocrisy made paramount, paranoia the law
My name is called religion, sadistic, sacred whore.
-Lyrics by Lemmy Kilmister of Motorhead

This message is a reply to:
 Message 39 by Son Goku, posted 01-15-2010 6:34 AM Son Goku has replied

Replies to this message:
 Message 41 by Son Goku, posted 01-15-2010 7:32 AM Huntard has replied

  
Huntard
Member (Idle past 2325 days)
Posts: 2870
From: Limburg, The Netherlands
Joined: 09-02-2008


Message 42 of 156 (543074)
01-15-2010 7:51 AM
Reply to: Message 41 by Son Goku
01-15-2010 7:32 AM


Re: Danger Will Robinson
Son Goku writes:
In the Big Bang model, if the universe is infinitely large now it was infinitely large in the past.
Yes, that's what I figured. My understanding however was that the big bang model meant that it couldn't have been infinite.
The expansion means that any "piece of space" that was some size 10^(-36) seconds after the Big Bang, is now vastly larger.
Yes. Infinite spacetime can expand, like the hotel with the infinite rooms and infinite guests that fits one more guest in there. Infinities aren't a set number.
General Relativity breaks down at this point. The infinitesimally small singularity is an artefact of General Relativity being no longer applicable. In truth we can trust General Relativity up to a certain point in time, at which point it says that any given region of the universe today was extremely small.
Can something being extremely small be infinite? It's more a case of coordindates and their proximity to eachother, relative to today, isn't it?
Going beyond this, back to the time when General Relativity predicts everything being infinitely small, is trusting the model beyond its own limits.
Well yes. If it can't tell us anything about something, then I guess it is stupid to expect it to be accurate about it.
However they predict that ice becomes infinitely brittle at 0 degrees. Of course this is incorrect, what really happens is that ice becomes water at 0 degrees.
Would that not infact constitute infinite brittleness, being liquid and all (or am I misunderstanding brittleness)? Or does even liquid have something "solid" to it? (I know about molecules and stuff, but can we really call them "solid")?

I hunt for the truth
I am the one Orgasmatron, the outstretched grasping hand
My image is of agony, my servants rape the land
Obsequious and arrogant, clandestine and vain
Two thousand years of misery, of torture in my name
Hypocrisy made paramount, paranoia the law
My name is called religion, sadistic, sacred whore.
-Lyrics by Lemmy Kilmister of Motorhead

This message is a reply to:
 Message 41 by Son Goku, posted 01-15-2010 7:32 AM Son Goku has not replied

  
Huntard
Member (Idle past 2325 days)
Posts: 2870
From: Limburg, The Netherlands
Joined: 09-02-2008


Message 83 of 156 (543570)
01-19-2010 7:23 AM
Reply to: Message 81 by Sasuke
01-19-2010 7:14 AM


Re: Please Get On-Topic
Sasuke writes:
Percy,
that thread is closed..
But this version of Where did the matter and energy come from? isn't.

This message is a reply to:
 Message 81 by Sasuke, posted 01-19-2010 7:14 AM Sasuke has seen this message but not replied

  
Newer Topic | Older Topic
Jump to:


Copyright 2001-2023 by EvC Forum, All Rights Reserved

™ Version 4.2
Innovative software from Qwixotic © 2024