[lbo-talk] Astronomy

[Andy]

On Thu, Aug 5, 2010 at 10:36 PM, Shane Mage <shmage at pipeline.com> wrote:
>
> On Aug 5, 2010, at 10:21 PM, Chuck Grimes wrote:
>>
>> The best is from Schlegel who assembled a series of slices from as far
>> away as current observation goes, then moves toward us in planes or slices.
>> The other series of slides is not animated, but does use illustrations, then
>> superimposes observation images. It shows the texture of the dark matter at
>> various distances and pans inward until the visiable images are seen imposed
>> on the dark matter webbing.
>>
> Just to point out that the "dark matter" is not observed, merely a
> computer-generated artefact reflecting an arbitrary mathematical
> construction to which nothing in physical reality corresponds.

Much like atoms.

Supposedly a similar argument was once made about anything seen
through corrective lenses.

-- 
Andy