在长达一年的太空任务中，科学家研究，宇航员的身体对长期停留在太空的反应。 http://www.nasa.gov/station https://www.nasa.gov/1ym 欲了解更多信息，请访问http://science.nasa.gov/。 点击这里查看更多视频：https://alugha.com/NASA
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When the Space Age began, explorers were eager to visit the planets of the solar system. As the years have passed, however, astronomers have realized that the moons of the solar system may be even more interesting. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alu
MMS: http://www.nasa.gov/mms Visit http://science.nasa.gov/ for more Four NASA spacecraft have performed a thrilling maneuver to understand the physics of explosive reconnection in Earth's magnetosphere. Read this story: https://science.nasa.gov/news-articles/nasa-spacecraft-fly-record-setting-fo
