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Why do Stars Twinkle?

Updated on April 17, 2011

twinkle twinkle lil star....

They don't, really. The stars pour out uninterrupted streams of light.

It is our earth's atmosphere that gives the strange effect.

The air is disturbed, for example, by being unequally heated, and this causes the light of the stars to be unequally refracted and so distorted. If you hold a torch on the far side of a jug of water and disturb the water, you get a "twinkling torch!"


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    • EatLovePray profile image

      EatLovePray 7 years ago from Canada

      Nice explanation :) It is also due to the reflection of light from our clouds..