(urth) Like a good Neighbor

[Adam Thornton]

On Nov 20, 2011, at 12:33 PM, Lee Berman wrote:
> 
> 
> The Green Man may (as B, F and O suggest) 

Has anyone noticed that B, F, and O are all spectral types that burn hotter, brighter, and more short-lived than G-class stars, such as the Sun?  (is there an "A" we're missing?)

Adam
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