Re: [Vo]:Color Temperature

[Craig Haynie]

"The temperature of a Pāhoehoe 
<http://en.wikipedia.org/wiki/Lava#P.C4.81hoehoe> lava flow can be 
estimated by observing its color. The result agrees well with measured 
temperatures of lava flows at about 1,000 to 1,200 °C (1,830 to 2,190 °F)."

http://en.wikipedia.org/wiki/File:Pahoehoe_toe.jpg
http://en.wikipedia.org/wiki/Black-body_radiation

Craig