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![]() Moffett Field CA (SPX) Jun 10, 2014 Oxygen and methane should destroy each other when they are in the same atmosphere, breaking down into carbon monoxide and water. On Earth, however, these elements co-exist. That's because they're continually being replenished at a faster rate than they are destroyed. Oxygen is coming mainly from plants, while methane can be emitted by animals and volcanoes. Seeing this co-existence from afar could be a "bio signature," an indication that our planet has life on it. Finding such bio signatures ... read more ![]() |
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