Why do stars twinkle?

Why do stars twinkle?

Answered
Nikhil Gupta asked November 8, 2016

1 answer

Seema Rawat November 8, 2016

Stars twinkle because of turbulence in the atmosphere of the Earth. As the atmosphere churns, the light from the star is refracted in different directions. This causes the star's image to change slightly in brightness and position, hence "twinkle."

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