Thursday, May 8, 2008

Blue

What makes the sky blue?
Is it the Tyndall effect or the Rayleigh scattering or are these merely descriptions of the mechanism shown?

2 comments:

Frank Baron said...

Well, as I explained to my sons - it's because God ran out of red while painting Mars.

Odile S said...

That's a good one. The sky is unusually blue here for may. We're enjoying it. How do you explain the red tainted sunsets?

*new* item at Chez Odile is the metachat where Creatives and Thinkers meet.

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