Science 12 : Twinkle Twinkle Little Stars....

Before to the topic I'll explain, here's a song for you all :
Twinkle twinkle little star
How I wonder what you are
Giant thermonuclear reaction
Held by gravitational attraction
Twinkle twinkle little star
You look small 'cos you're so far

As you burn through constant fusion
Your twinkle's just an optical illusion
That happens when your light gets near
Gets distorted by our atmosphere
Twinkle twinkle little star
Spreading light and heat so far

As you use up fuel you'll grow
And give off a scarlet glow
Maybe you'll go supernova
Exploding elements all over
Now I know what just you are
And I know I'm made of stars

Done singing the song? It's just not an ordinary one. It's also explaining our topic in big lines. Okay, we'll discuss it one by one :

1. Star is a massive, luminous sphere of plasma that held together by it's own gravity. A star shines due to thermonuclear fusion of hydrogen and helium in it's core.
2. Star looks small in our sky. Why? because the distance between the star and the Earth is far. If you want to see it a little bit close, just look at sun (a.k.a our nearest star).
3. Stars look like that bright in our Earth's sky, right? Even the song say it as an optical illusion. Why? It's because of the atmosphere.
4. As stars gets old, it'll grow and more bright like scarlet. When the time is ready, the star will become a supernova (a.k.a death for the star), it means the star is exploding. Even in the outer space beyond our limits, there is a grave for death stars. Death stars can become a black hole.
5. Some of materials that made a human body are from the death stars! Surprised? But it's a true story. I can't explain it, but it is true.

Okay, that's all of it for our topic. Thanks for visiting my blog.

Source : Cosmos a Spacetime Oddesy, Wikipedia, 9GAG Facebook(Song)