Tonight on the National Geographic Channel at 10pm EST/PST Earth the Biography: Oceans. An episode on Atmospheres is before it at 9pm. "Explore how half of Earth's water originated from the planet's inception and how the other half was deposited by comets."
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Thanks for the heads up!
I long for the days when these things were on PBS so everyone could benefit from them :{
Philip, I feel for you. I don't have TV service so I didn't get to see it either :(
That said, is anyone willing to comment on it in this thread or in a guest post?