[Physltest] [Phys-L] Re: Basic Facts About Dark Energy

[Brian A Powell <bapowell@buffalo.edu>]

Hi Steven,

Sounds good, but I would be careful with 1.  It exists uniformly
throughout the *observable* universe.

Brian

On Mon, 10 Jan 2005 STRatliff@NWC.EDU wrote:

> Dear PHYS-L,
>
> I've been thinking about dark energy, and have come up with a simple list
> of its properties.  I am trying to come up with a list of properties that
> is both correct but also in simplified form for non-scientists to
> understand.
>
> Would you please comment on the statements below and let me know if I have
> left anything out, or made any mistakes.
>
> If dark energy exists, it has the following properties:
>
> 1.  It exists uniformly throughout the universe.
> 2.  It makes up most of the energy of the universe.
> 3.  Unlike other forms of energy (visible light, sound, radio waves,
> etc.), it cannot be directly detected.
> 4.  It causes empty space to repel itself.
>
> Thank you,
> Steven Ratliff
>
>
> Steven T. Ratliff
> Institutional Researcher / Professor of Physics
> Northwestern College
> 3003 Snelling Ave. N.
> St. Paul,  MN     55113-1598
> U. S. A.
>
> Internet:  stratliff@nwc.edu
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