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ScienceCasts : 格陵兰岛的冰层融化

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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NASA ScienceCasts：太阳风的影响

点击这里观看更多视频:https://alugha.com/NASA 持续扩张的太阳风从太阳开始，一直到达太阳圈的边缘才停止。美国宇航局科学:http://science.nasa.gov/

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ScienceCasts: The 2016 Transit of Mercury

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. On May 9th (2016), Mercury will move across the face of the sun, offering a rare viewing opportunity for professional astronomers and backyard sky watchers alike. 2016 Mercury Transit: http://mercurytr

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ScienceCasts: August 2017: A Big Month for Astronomy

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. The Perseid meteor shower will peak on August 11, 12, and 13, and a Total Solar Eclipse will be visible in the United States from coast to coast on August 21. (This video is from 2017)