评论 0条 分类 资讯 谷神星的临时大气层与太阳活动有关 2017-05-03 NASA的黎明号探测器（Dawn spacecraft）检测了谷神星表面1码或1米以上位置的氢含量。蓝色意味着在靠近两级的位置，氢含量较高，红色则表明在低纬度位置，氢.
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the Dawn spacecraft 彩“黎明号”探测器
ScienceDaily (July 18, 2011) -nasa's Dawn spacecraft on July 16, 2011 became the first probe ever to enter orbit around an object in the main asteroid belt between Mars and Jupiter.
2011年7月16号，NASA的曙光探测器进入位于火星和木星之间的小行星带，成为进入这一地带的第一个探测器。
The images were taken by NASA's Dawn spacecraft, which began orbiting the 330-mile-wide rocky body last month and beaming back incredible surface details that the team is only beginning to pore over.
照片由美国航天局“黎明号”探测器拍摄，该探测器自上月起就在该直径达330英里的岩石天体轨道上运行并传送回团队刚刚开始关注的大量不可思议的表面细节信息。
Dawn, which launched in September 2007, is on track to become the first spacecraft to orbit two solar system destinations beyond Earth.
2007年9月发射的曙光号一直在成为第一个进入地球之外两个太阳系系统目的地的轨道的路上。
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