在地球上，慢跑者只要几个小时就能完成马拉松。但在火星上，花了 11 年之久。美国航空航天局的机会号探测器在 2015 年越过了终点线。 访问 http://science.nasa.gov/ 了解更多信息。 点击这里查看更多视频：https://alugha.com/NASA 这段视频是 2015 年
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NASA's OSIRIS-REx spacecraft is scheduled to launch on a mission to orbit, map and collect samples from the asteroid Bennu, and return to Earth 7 years later. OSIRIS-REx: http://www.asteroidmission.org/ Visit http://science.nasa.gov/ for more Click here to see more videos: https://alugha.com/NASA
The common roundworm shares a surprising amount of genetic material with humans - enough, in fact, to make them the good substitutes for astronauts in low-gravity medical studies. Visit http://science.nasa.gov/ for more. More on Space Aging! http://www.nasa.gov/mission_pages/station/research/news/
On January 31, 1958, the United States joined the "space race" with the successful launch of the Explorer 1 satellite, marking the birth of space science. Visit http://science.nasa.gov/ for more. Explorer 1 Site: https://www.jpl.nasa.gov/missions/explorer-1/ Explorer 1 Book: https://www.jpl.nasa.g
