stars twinkle

thats twinkle twinkle little star.. stars are brightening at sometimes that time it lokks like twinkle

the stars twinkle in the shy because of the wind in space. light travels in a straight direction in a vaccuum. but there is wind in space caused by thegravity between all thestars, and this wind pushes the light a little aside and by thetime it get herefron thestars, it appears to be twinkling because we don't see all the light