Why do blue & red police lights appear green when viewed from an airplane?

Subject: Why do blue & red police lights appear green when viewed from an airplane?

Date: Tue Sep 28 20:57:40 2004
Posted by Kristina
Grade level: undergrad School: University of Alberta
City: Edmonton State/Province: Alberta Country: Canada
Area of science: Physics
ID: 1096423060.Ph

Message:


I was flying with a friend at roughly 3500ft when we saw flashing green lights 
on a car, only when we flew to a lower altitude did the green light split into 
the blue and red flashing lights of a police car.  Why do they appear green 
when viewed from the airplane?

Re: Why do blue & red police lights appear green when viewed from an airplane?

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