Why Is There Air?
Every day, we inhale and exhale the air around us. How did Earth's atmosphere form? Join Trace as he explains the long evolution of our atmosphere, and why ...
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Now THAT is air… But what is THAT? And how did it GET HERE? WHAT'S WITH THE AIR? Hey nose and/or mouth-breathers, Trace here for DNews. There's a question going around Reddit Science right now that caught my eye: Where did Earth's atmosphere come from? And we started talking about it, and we weren't sure either… "atmosphere" literally means, "sphere of air," but "air" isn't really right either -- because that's just what we have on earth. Venus and Titan have atmospheres, in that gases permanently cover their surface; in fact, a number of the bodies in our solar system have atmospheres -- even the Sun. The gases surrounding the celestial bodies are held, suspended in space by the gravity of their host planets, which determines a lot a...
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Now THAT is air… But what is THAT? And how did it GET HERE? WHAT'S WITH THE AIR? Hey nose and/or mouth-breathers, Trace here for DNews. There's a question going around Reddit Science right now that caught my eye: Where did Earth's atmosphere come from? And we started talking about it, and we weren't sure either… "atmosphere" literally means, "sphere of air," but "air" isn't really right either -- because that's just what we have on earth. Venus and Titan have atmospheres, in that gases permanently cover their surface; in fact, a number of the bodies in our solar system have atmospheres -- even the Sun. The gases surrounding the celestial bodies are held, suspended in space by the gravity of their host planets, which determines a lot a...
