The sides of the Sun don't have different frequencies of light. The Sun emits light across a wide range of frequencies, forming what's known as the solar spectrum. This spectrum is a continuous distribution of light, with different frequencies corresponding to different colors and energies.

Here's a breakdown of why this is the case:

* Blackbody radiation: The Sun, like all objects with a temperature, emits light as a result of its internal heat. This emission follows a pattern known as blackbody radiation. The peak of this radiation curve determines the color of the object (in this case, the Sun appears yellow).

* Different layers: The Sun has different layers, each with distinct temperatures and densities. These layers contribute to the overall solar spectrum.

* Atomic transitions: Within the Sun, atoms absorb and release energy in the form of photons (light). These energy levels correspond to specific frequencies, which contribute to the overall spectrum.

So, while there are variations in the intensity and specific frequencies of light emitted from different parts of the Sun (e.g., sunspots are cooler and emit less light at higher frequencies), there's no inherent difference in frequencies between the "sides" of the Sun. The overall solar spectrum is a continuous distribution of light across all frequencies.