Cosmos a spacetime odyssey episode 511/9/2022 ![]() ![]() Regarding life evolving in any gas or liquid medium, I'm not sure about that. ![]() So with any relatively old celestial body, if we detect O2, we're going to definitely sit up and take notice. If there had been a lot of O2 on a planet, and there were not life or some other heretofore unknown natural process to replenish that O2, the O2 would eventually react with everything around it, and disappear. It's useful for countless chemical reactions in the body. That's part of the reason our body chemistry needs a lot of it. Let me start by saying I'm not an expert. On April 7th, it will also air on National Geographic (USA and Canada) with bonus content during the commercial breaks. The folks at /r/AskScience will be having a thread of their own where you can ask questions about the science you see on tonight's episode, and their panelists will answer them! Along with /r/AskScience, /r/Cosmos, /r/Television and /r/Astronomy will have their own threads. Light, itself, holds so many of them, but we never realized they were there until we learned the basic rules of science. The keys to the cosmos have been lying around for us to find all along. If you wish to catch up on older episodes, or stream this one after it airs, you can view it on these streaming sites: (Other countries air on different dates, check here for more info) On April 6th, the fifth episode of Cosmos: A Spacetime Odyssey aired in the United States and Canada. We have a discord server at discord.gg/CPbsdTprab, feel free to join. Moderation will be strictly enforced on those not following the rules Discord Please report comments & links that don't follow the rules
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