Different wavelength and the origin of the CMBR is older than that of any of the visible light spectrum we get from the universe. I'm sorry, but if there is a point behind all this, I'm missing it. There have been numerous cases of previously banned members trying to "sneak back in" by creating an account under a new name. So, when a new poster shows up and similarities between this poster and the previously banned poster start cropping up, natural suspicions arise.
The point being you are answering questions I do not know the answer to , effectively learning me answers to my questions.
White light is a mixture of frequencies, what frequency is the light travelling from an object to a mirror?
If it's white? It consists of a mix of wavelengths from 400 to 800nm. (It can, of course, have IR and UV light mixed in there as well, but since it sounds like you are talking about things you can see, the 400-800nm range is the important range.)
If the light that reflected of an object passing through space was between 400nm to 800nm, the visible range, then why do we not see visible light in the space between the object and the mirror?
Because none of it hits your eye, which is the only organ yo have to sense light. Now, fill up that space with fog (or glitter, or dust) and the small particles will reflect light from that visible light to your eye - and you will see the reflected light from that. This is most often seen in laser beams. In clean air lasers are invisible - but even a little dust in the air causes reflection, and the beam becomes visible.
I do not think you understood the question so I will reword it. I am looking at a reflection in a mirror of a red apple, I can also see the red apple in the same view. Photons are travelling from the mirror and the red apple to my eyes so I can see them both. How does the red of the apple travel across the space to the mirror without me seeing the red in that space?
You've been given the answer: Because none of it hits your eye, which is the only organ you have to sense light.
That may be the answer but if I do not quite understand that answer , do you think it would be wise to ask further questions about the answer? An object reflects visible light? The object we see in our brains is how the object looks outside of our brains? Is the colour of an object also at the location of an object?
Yes - that why we see objects. Unless you want get deep into philosophy then the answer is yes (with some limitations due to perceptual factors). Strictly speaking colour only exists in our eyes/ brains but - again, within certain limits - it could be said that "colour exists at the location of the object" since the frequency of reflected light depends on the object (material/ reflectivity etc.).
Imagine a laser beam shining through a fog - you 'see' the beam. When there is no fog you can't see the beam. What is the difference between the fog situation and the no fog situation?
The particles of the fog are reflecting light. That is not my question though, how does the visible light of an object be visible in a mirror but not visible while its traversing through space to the mirror?
You say colour exists at the location of the object, why do we not see the colour passing through space towards our eyes?
For exactly the same reason that you don't see a laser when there's no fog. Because none of the travelling hits your eye, which is the only organ you have to sense light.
An object reflects photons that travel across the space into your eyes, a direct line of sight, the space has no colour, no visible light, so how does the light not be visible then becomes visible in the mirror? Should a red object not emit red visible light ? The photons are entering your eyes.
Please rephrase this part into English. The photons that hit your eye are reflected INTO your eye from the object by the mirror. Red objects REFLECT red visible light. Which photons?
Thank you , this almost answered my question. We can see the wave-length of 700nm, we see that as red. A red object emits a 700nm wave-length into space, why do we not see the wave-length and red in the space? If the wave-length is 700nm that is traversing through space to our eyes , then why do we not see the space to be red?
Because we ONLY see light that actually enters our eyes. Light (photons) "in space" hasn't done that so we don't see it.
I am sorry I am a bit confused on this. You keep saying the photons in space as not entered your eyes, the photons reflect from an object and travel through space into your eyes, so how have the photons from space not entered your eyes? Were the photons not in space before they enter your eyes?
