NASA ScienceCasts: Big Questions About Small Worlds
Visit http://science.nasa.gov/ for more. Small Worlds hold keys to questions about our solar system and the origin of life on Earth. Click here to see more videos: https://alugha.com/NASA
NASA支持研究员研究,为什么格陵兰岛的冰层融化速度比之前想象的要快。而整个过程是在海平面下进行的。 更多信息请访问http://science.nasa.gov/。 点击这里查看更多视频:https://alugha.com/NASA 此视频在2015发表
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Visit http://science.nasa.gov/ for more. Small Worlds hold keys to questions about our solar system and the origin of life on Earth. Click here to see more videos: https://alugha.com/NASA
A global effort to monitor air quality is in the works as the US, Korea, and the European Union prepare to launch geostationary satellites capable of monitoring pollutants and other aerosols. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA