>>>> (I'm guessing that due to the absurdly long wavelength, most objects 
>>>> would be too blurry to see.) 
>>>
>>> Indeed, that's kind of the point. That's why you can listen to the 
>>> radio indoors.
>>
>> You can see light indoors too. Not because it has a short wavelength, 
>> but because certain substances do not absorb it.
> 
> That's why you can listen to the radio in the dark.

I'm not sure what you're talking about, but I know what I'm talking 
about: Different materials absorb different wavelengths. There are 
materials that absorb visible light, and others that let visible light 
pass through it unaltered. Presumably the same thing applies to *every* 
wavelength - which ought to include radio waves. You can listen to radio 
indoors because not all of your house is made of metal (AFAIK the only 
thing that absorbs radio waves). That's nothing to do with the size of a 
radio wave, it's to do with what materials do or don't absorb it.

Now, what kind of a picture you could make with a "light" having a 2 Km 
wavelength, I have no idea. I vaguely gather that there's some sort of 
relationship between the wavelength of something and the size of object 
you can see with it. (Hence electron microscopes have better resolution 
than light microscopes, for example.)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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