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Originally posted by 0ne10
reply to post by scitpeks
Obviously light, or lack thereof.
Do you agree?edit on 17-10-2010 by 0ne10 because: (no reason given)
The sun isn't just a stable ball of gas; currents flow and swirl in it, affected by magnetic forces (and the iron forming in the core and a whole lot of other stuff. I suspect the circle is a current (flow) in the sun.
Originally posted by scitpeks
reply to post by 0ne10
You just replied to yourself.You know thats a bad sign right?
Originally posted by scitpeks
Anyways, back on topic. These pics are NOT normal pics.
They show different spectrums, UV etc.
Light and dark, shadows etc doesn't come into it.
Originally posted by Byrd
Temperature differences, actually. Sunspots look dark against the bright sun because they're about a thousand degrees cooler than the rest of the sun: en.wikipedia.org...
Uh how else do cameras take pictures? Everything you see was caused by light.
Originally posted by Byrd
I suspect the circle is a current (flow) in the sun.
They use x-rays (light) which have a smaller wavelength than visible light and can pass through objects easier than visible light. Then they use a film or sensor to capture the light which passes. The end result is an image which can be likened to shadows.
Thus we see that visible light and gamma rays and microwaves are really the same things. They are all electromagnetic radiation; they just differ in their wavelengths.
The entire electromagnetic spectrum is considered "light". There is no difference between visible light and radio waves. The only difference is the wavelength, but they are both the same force (electromagnetic radiation).
Yes, but it's still essentially the exact same force, electromagnetic radiation. Microwaves, radio waves, visible light, infrared light, x-rays, all of it is EMR.
But I guess you can put that down to wavelengh, but still it shows there are differences.
Originally posted by scitpeks
Would be good to hear your theory then.
Originally posted by scitpeks
I think the "no difference' bit is subjective though.
Originally posted by scitpeks
There are many differences. Speed being just one.
But I guess you can put that down to wavelengh, but still it shows there are differences.
Anyway.... sorry to get off topic.
In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.[2][3]