The Sun Doesn’t Exist
Today in the Comments, someone thinks human skin proves the sun doesn’t exist. At least not as we think it does. To this person, the sun is claimed to be a ball of fire. The fact that bonfires don’t seem to give you a tan is proof that the Sun doesn’t exist to this person.
What Is The Sun Made Of?
The sun is made up of 70% Hydrogen and 28% Helium. There are also various small amounts of carbon, nitrogen, oxygen, neon, iron, silicon, magnesium, and sulfur. The sun is a giant ball of plasma that uses nuclear fusion to turn hydrogen into helium. This causes a huge amount of energy to be emitted in the form of photons. These photons are incredibly energized and it escapes the gravity of the Sun when they are emitted.
When people claim that the “sun isn’t a burning ball of fire,” I have to agree with them. It’s a ball of plasma using nuclear fusion to create heavier elements. During this process, the Sun emits photons that provide earth the energy it requires. This would also take the slightest bit of intellectual honesty, which these people don’t have.
How Is Vitamin D Produced?
Your skin produces Vitamin D when exposed to ultraviolet B rays. 7-dehydrocholesterol undergoes photolysis and breaks down into previtamin D when it is exposed to ultraviolet B rays. Previtamin D is then rearranged into vitamin D and distributed to the body. Fatty fish or fortified foods can also contain vitamin D and be absorbed into your system through the lower instestine.
The sun is very important to the evolution of life on earth. Vitamin D helps us regulate our body’s calcium and is very important to bone health. Without this vitamin we would have evolved very differently or not at all.