The objects that are of moderate energy, like our sun or most of the stars that we see in the night sky with the naked eye, are objects in which relatively moderate energy processes are taking place.

In general, the objects in the universe that are very high-energy objects, or the processes that are high-energy processes, will radiate more in the short wavelength range towards the gamma rays or the x-rays.

You can see these boxes which are covered with metal foils for thermal reasons, and they are also, most of the time, thermally controlled inside to keep reasonable temperature inside each of these containers.

Sun in the sky, never raised an eye to me.

When you look up to the sky and wonder why? Think of the stars burning bright ,as ascended souls shining in the night

The stars are scattered all over the sky like shimmering tears, there must be great pain in the eye from which they trickled.