I haven't seen the movie and don't intend to, but according to the reviewer, he ... | Hacker News

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		billswift on Dec 24, 2009 \| parent \| context \| favorite \| on: An astrophysicist reviews the science of "Avatar". I haven't seen the movie and don't intend to, but according to the reviewer, he gave it a plus because the planet DIDN'T have an oxygen atmosphere. Which I considered a negative, since any biologically-realistic alternative would be significant and would be particularly mentioned, and again according to the reviewer the movie didn't discuss what the gas was.

dasil003 on Dec 24, 2009 [–]

In the corrections at the end it was noted that it does have an oxygen atmosphere, it's just that there's some toxic gas in there as well.

nvasilak on Dec 24, 2009 | [–]

Good catch, and a good move by Cameron. Otherwise those giant fireballs from the human missiles wouldn't be very plausible.

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