Date: Wed Mar 11 14:08:51 2009 Back to Contents ------------------------------------------------------------------------

Author: Zani, Gerald

Subject: Re: Big Bang density

Post:

Great!

Thanks, Mike. - J

-----Original Message-----
From: tap-l-owner@lists.ncsu.edu [mailto:tap-l-owner@lists.ncsu.edu] On
Behalf Of Michael A Thomason
Sent: Wednesday, March 11, 2009 1:06 PM
To: tap-l@lists.ncsu.edu
Subject: Re: [tap-l] Big Bang density

The PIRA Forum, www.pira-online.org, is open for this topic,

Michael Thomason
Director of Physics Learning Laboratories
University of Colorado Boulder Department of Physics
303-492-7117
thomason@colorado.edu
http://physicslearning.colorado.edu


-----Original Message-----
From: tap-l-owner@lists.ncsu.edu [mailto:tap-l-owner@lists.ncsu.edu] On
Behalf Of Zani, Gerald
Sent: Wednesday, March 11, 2009 7:27 AM
To: tap-l@lists.ncsu.edu
Subject: Re: [tap-l] Big Bang density

Forgive me, but I think this thread is not directly applicable to either
doing Demos or doing Labs.

I think this thread is another candidate for PIRA Chat

http://groups.google.com/group/pira-chat


Just my opinion,
- J

-----Original Message-----
From: tap-l-owner@lists.ncsu.edu [mailto:tap-l-owner@lists.ncsu.edu] On
Behalf Of Machele Kindle
Sent: Wednesday, March 11, 2009 9:09 AM
To: tap-l@lists.ncsu.edu
Subject: Re: [tap-l] Big Bang density

The "stuff" in the Big Bang wasn't the particles that we deal with. It
wasn't even quarks, much less electrons and such.

http://en.wikipedia.org/wiki/Graphical_timeline_of_the_Big_Bang

Chele

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
For in the end, we will conserve only what we love.
We will love only what we understand.
We will understand only what we are taught. - Baba Dioum
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



Anthony Lapinski wrote:
> The cover story on the current (April, 2009) issue of Astronomy is,
Why
> The Universe Had No Beginning. Astronomers claim that at this time,
the
> universe had infinite density (zero volume). This has puzzled me for
some
> time. Isn't there a "maximum" density for matter? I mean, stuff is
> composed of fundamental particles which supposedly have mass and take
up
> space. Or maybe their wave-like properties change this? Maybe the
physical
> laws as we know them today were somehow much different during this
time?
> Still, I find it difficult (mind boggling!) to understand that all the
> matter in the entire universe was compressed into a single point.
>
> Does anyone know how this infinite density idea can be explained? Is
it
> being challenged by anyone in the scientific community? Or is this
> something we all have to accept?
>
>
>




From tap-l-owner@lists.ncsu.edu Wed Mar 11 14:08:51 2009