NASA的卡西尼号空间探测器即将飞过土星的卫星-土卫二上方的一个喷泉。 更多内容请访问http://science.nasa.gov/。 点击这里查看更多视频：https://alugha.com/NASA 此为2015年的视频
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Earth observing instruments on the space station along with photography from crew members serve to keep a multifunctional eye on our home planet. Space Station Research & Tech: http://www.nasa.gov/iss-science NASA Science: http://science.nasa.gov/ Houston We Have a Podcast Episode - The View From
Millions of miles from Earth lies a dusty, cold, desert world with a very thin atmosphere. You know this planet as Mars…but it hasn’t always been this way. There’s evidence that the Red Planet was much wetter and warmer, with a thicker atmosphere, billions of years ago. Could it also have supported
