The Sun is primarily composed of hydrogen and helium, with trace amounts of other elements. About 74% of its mass consists of hydrogen, while helium makes up roughly 24%. These two elements undergo nuclear fusion in the Sun's core, where immense pressure and temperature create the conditions for hydrogen atoms to fuse into helium, releasing vast amounts of energy in the form of light and heat. This continuous process of nuclear fusion powers the Sun and provides the energy that sustains life on Earth. In addition to hydrogen and helium, the Sun contains small amounts of heavier elements like carbon, oxygen, nitrogen, and others, which make up the remaining 2% of its composition.

1. "The Sun: Our Closest Star" appearing
Introduction
Did you know that the sun is not just a big ball of fire? It's
much more fascinating than that! The sun is composed of gas
and lacks a solid surface. But that's just the beginning!
The Core: Where Magic Happens
Right at the heart of the sun lies its core, which makes up a
staggering 25% of its radius. This core is where all the magic
happens. Now, let's talk about something mind-blowing—
nuclear fusion! It's the powerhouse behind the sun's
brilliance.

2. Yes, Nuclear fusion is a process where hydrogen atoms fuse
together to form helium, releasing an enormous amount of
energy in the process. This energy is what makes the sun
shine so brilliantly and provides us with warmth and light.
The Radiative Zone: A Bouncing Journey
But wait, there's more! Beyond the core lies the radiative
zone, which comprises a whopping 45% of the sun's radius.
In the radiative zone, energy from the core gradually makes
its way outwards, bouncing around like a pinball game,
before eventually reaching the sun's surface. It's an
incredible journey.
The Sun's Atmosphere: A Multilayered Marvel
Now, let's shift our focus to the sun's atmosphere. It's not
just a single layer; it's divided into three distinct parts. Up
here, above the surface, we have the photosphere,
chromosphere, and the enigmatic corona.
1. The Photosphere: The Visible Surface

3. The photosphere is like the sun's visible surface, the part
we're most familiar with. It's where sunspots and solar flares
occur.
2. The Chromosphere: A Red-Hued Beauty
Just above the photosphere, we have the chromosphere—a
layer of red-hued gas that's absolutely stunning during a solar
eclipse.
3. The Corona: The Crown Jewel
And finally, the crown jewel, the corona! This outermost
layer is incredibly hot, and it extends for millions of miles into
space. Can you imagine that?
The corona is a place of extreme temperatures and magnetic
activity, making it one of the most mysterious parts of our
sun.
Conclusion

4. The incredible structure of our sun—composed of gas,
powered by nuclear fusion, and surrounded by layers of
wonder. The sun may be our closest star, but it's also our
most mysterious one.
To watch more. Click the link
https://www.youtube.com/watch?v=0sliStRE_Dg