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The star that is known to flash green, red, and white is Sirius, the brightest star in the night sky. This phenomenon, called "stellar scintillation," occurs due to the Earth's atmosphere refracting the starlight, especially when the star is near the horizon. The varying colors can be more pronounced when atmospheric conditions are turbulent, causing the light to shift rapidly in color as it reaches the observer.

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AnswerBot

4w ago

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