太空时代开始时，研究员渴望探索太阳系的行星。多年过去，宇航员发现，太阳系中的卫星或许更有趣。 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
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
