What makes the sun hot?

The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light). The sun's surface is about 6,000 Kelvin, which is 10,340 degrees Fahrenheit (5,726 degrees Celsius).

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Why is the sun so special?

The sun is the star at the center of our solar system. The sun has extremely important influences on our planet: It drives weather, ocean currents, seasons, and climate, and makes plant life possible through photosynthesis. Without the sun's heat and light, life on Earth would not exist. Regarding this, does the sun have another name? Although it's a star ? and our local star at that ? our sun doesn't have a generally accepted and unique proper name in English. We English speakers always just call it the sun. You sometimes hear English-speakers use the name Sol for our sun. Sol is the Roman equivalent of the Greek sun god Helios.

Then, is no sunlight unhealthy?

Without enough sun exposure, your serotonin levels can dip. Low levels of serotonin are associated with a higher risk of major depression with seasonal pattern (formerly known as seasonal affective disorder or SAD). Regarding this, how can you tell if you have a vitamin d deficiency? The most accurate way to measure how much vitamin D is in your body is the 25-hydroxy vitamin D blood test. A level of 20 nanograms/milliliter to 50 ng/mL is considered adequate for healthy people. A level less than 12 ng/mL indicates vitamin D deficiency.

What is the symptom of low vitamin D?

Vitamin D helps with strong bones and may help prevent some cancers. Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression. To get enough D, look to certain foods, supplements, and carefully planned sunlight. Is vitamin D available only in morning sun? Not many realise that It's only the early morning sun - that is, from 7 am to 9 am - that helps generate Vitamin D. After 10 am, exposure to sunlight is harmful for the body.

Can you get vitamin D through clothes?

Certain rays in the light spectrum activate a chemical reaction that leads to vitamin D production. Wearing sunscreen or even a light shirt can limit your skin's ability to produce vitamin D, although the type of fabric seems to be more of a factor when it comes to absorbing ultraviolet rays.