What would make a star flash red and blue?

  • Thread starter Liger20
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Hello, several nights ago I was outside looking at the sky. I noticed this strange looking star near the horizon, and I swear to you, it kept flashing from red to blue and back. I vaguely remember reading something about this, but I don't quite remember what it was.
 

Answers and Replies

  • #2
chemisttree
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Atmospheric distortion causes the light to spread out into its various colors. Bad seeing close to the horizon that night.
 

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