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Joel Levine:
Joel Levine:为什么我们要重返火星

TEDxNASA · 16:14 · Filmed Nov 2009
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在TED的NASA,行星科学家Joel Levine展现了一些奇妙且费解关于火星的新发现:被冰层覆盖的环形山、古海洋的遗迹,古代生命存在的强烈迹象。他规划返回火星,探寻更多。

pin This talk was presented to a local audience at TEDxNASA, an independent event. TED editors featured it among our selections on the home page.
Planetary and atmospheric scientist
Joel Levine studies the atmospheres of Earth and Mars, looking at their origin, evolution, structure and chemistry and climate change. He's the principal investigator of the proposed ARES Mars Airplane Mission. Full bio

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