Quote:
Originally Posted by Radio
We have been taught comets are mostly dust and ice. I have seen chunks of metal become white hot, but I've never seen an ice cube do that.
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Maybe it could, before melting and vaporizing, heat to incandescence some of the air through which it is passing? It's going pretty fast, and would compress air ahead of it. Compressing air is an effective way of heating it.
Anyway, I'm glad I didn't go to any trouble to witness this dud.