why do stars twinkle 

Have you ever looked in the pitch black night sky? You see a million flickering stars and then you wonder why do stars twinkle?

The stars don’t really twinkle because the moisture in the air it’s caused  by the atmosphere basically a optical illusion have you. Ever been on a plane before if so what about turbulence what is turbulence you ask it’s a part of the atmosphere were the air is vibrating.

And that is why stars don’t twinkle hope you enjoyed

Good ideas and explaining but work on presentation and spelling by Leroy