Most stars burn steadily and if we could see them from space they would not actually be twinkling at all. As the light from a star passes through the earth's atmosphere it is bent by changes in the air temperature. This makes the light appear to flicker.
Twinkling stars- so beautiful!
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Because of this effect observations for studying the stars are situated on mountain tops. The reason for this is because the higher up you go, the air becomes thinner and it is less likely to cause the twinkling effect. 
Oh i see, good information on those beautiful stars out there 
is it anything new bout TIR? ? ?? ? ? ? ? ?
Ankur0464: The process is called refraction... Due to varying thickness of atmospheric layers, light from the stars have to suffer multiple reflection and hence twinkling effect produced 
Did u study physics?Ankur0464: The process is called refraction... Due to varying thickness of atmospheric layers, light from the stars have to suffer multiple reflection and hence twinkling effect produced 
yes you are right it is due to refraction of light
Nice info.
Stars are wonderful.
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Trying to get you right.
Oh i see, good information on those beautiful stars out there
G8 1
Cool one. 
Good Info.
I hate Physics..........but its nice.....
I love looking at and studying stars.
OceanGoddes: Most stars burn steadily and if we could see them from space they would not actually be twinkling at all. As the light from a star passes through the earth's atmosphere it is bent by changes in the air temperature. This makes the light appear to flicker.
twinkle twinkle little star
YOU are Moon I am starBoHemiAn_Ar!jEEt: Good Info.
Stars are very cute.Amit27: twinkle twinkle little star
YOU are Moon I am star
[quote=Amit27]twinkle twinkle little star
I are Moon U am starAmit27: Stars are very cute.
[quote=Amit27]Stars are very beutyfullWowy....... 
OceanGoddes: Most stars burn steadily and if we could see them from space they would not actually be twinkling at all. As the light from a star passes through the earth's atmosphere it is bent by changes in the air temperature. This makes the light appear to flicker.
[quote=Amit27]Most stars burn steadily and if we could see them from space they would not actually be twinkling at