保护地球，探索宇宙，发现文明
On March 3, 1915, Congress created the National Advisory Committee for Aeronautics (NACA), the organization from which NASA was created in 1958. NACA research led to advances in aeronautics that helped the Allies win World War II, spawned a world-leading civil aviation manufacturing industry, propelled supersonic flight, supported national security during th...
NASA astronaut and International Space Station Expedition 62 crew member Jessica Meir configures the Light Microscopy Module inside the Fluids Integrated Rack, as part of the Advanced Colloids Experiment-Temperature-4 (ACE-T-4) investigation. Want your chance to work on exciting, cutting-edge science in space? NASA is looking for its next generation of astro...
2020 March 4 The Slow Dance of Galaxies NGC 5394 and 5395 Image Credit: Gemini, NSF, OIR Lab, AURA; Text: Ryan Tanner (NASA/USRA) Explanation: If you like slow dances, then this may be one for you. A single turn in this dance takes several hundred million years. Two galaxies, NGC 5394 and NGC 5395, slowly whirl about each other in a gravitational interaction...
该图显示了对M31（也称为仙女座星系）的WFIRST观测的模拟。 哈勃望远镜用了650多个小时对蓝色轮廓区域进行成像。 使用WFIRST，覆盖整个星系仅需三个小时。 来源：DSS, R. Gendle, NASA, GSFC, ASU, STScI, B. F. Williams NASA的广域红外巡天望远镜(WFIRST)项目已经通过了一个重要的规划和技术里程碑，为该任务正式开启了硬件开发和测试的大门。 WFIRST太空望远镜的观测面积将比NASA的哈勃太空望远镜大100倍，它将能够探测来自宇宙的微弱红外信号，同时生成巨大的宇宙全景图，揭示暗能量的秘密，发现太阳系外的行星(系外行星)，并解决一系列其他天体物理学和行星科学问题。 WFIRST的设计已经处于高级阶段，使用具有成熟技术的组件。其中包括传统硬件——主...
2020 March 3 Apollo 13 Views of the Moon Video Credit: NASA, LRO; Data Visualization: Ernie Wright (USRA); Video Production & Editing: David Ladd (USRA); Music: Visions of Grandeur, Universal Production Music, Fredrick Wiedmann Explanation: What if the only way to get back to Earth was to go around the far side of the Moon? Such was the dilemma of the Ap...
NASA洞察号着陆器在火星上的艺术概念图。在这位艺术家对洞察号火星探测器的构想中，火星的次表层（subsurface）显示在图片的下半部分，而上半部分的背景中可以看到鬼神般肆虐的沙尘暴。 图片来源：巴黎地球物理研究所/尼古拉斯•萨特（Nicolas Sarter） 美国航空航天局（NASA）的洞察号火星探测器（InSight）已经完成了它第一年的探测任务，我们对火星的认识也出现了新的变化。已有6篇相关的研究论文于2月24日发表，共同揭示了火星这颗红色星球上，地震此起彼伏、沙尘暴疯狂肆虐、电磁脉冲难以理解的活跃盛况。 这6篇论文的其中5篇发表在《自然》（Nature）杂志上。还有一篇发表在《自然•地球科学》（Nature Geoscience）上，详细介绍了洞察号探测器的着陆位点：一个名为“霍姆斯特德山谷”（Ho...
2020 March 2 Sharpless-308: The Dolphin Nebula Image Credit & Copyright: Chilesope 2, Pleaides Astrophotography Team (Peking U.) Explanation: Blown by fast winds from a hot, massive star, this cosmic bubble is much larger than the dolphin it appears to be. Cataloged as Sharpless 2-308 it lies some 5,200 light-years away toward the constellation of the Bi...
2017年9月1日，美国国家航空航天局（NASA）的朱诺号（Juno）木星探测器上的JunoCam成像仪捕捉到了这幅木星南部赤道地区的图片。由于该图像是定向拍摄的，因此木星的两级（不可见）从左至右分布在框架内。 版权：NASA/喷气推进实验室-加州理工学院（JPL-Caltech）/美国西南研究院（Southwest Research Institute, SwRI）/马林空间科学系统公司（Malin Space Science Systems, MSSS）/凯文•M•吉尔（Kevin M. Gill） NASA的朱诺号任务提供了其关于木星大气中水含量的首次测量结果。根据近期发表于《自然天文学》（Nature Astronomy）期刊上的朱诺号探测器的测量结果估计，在木星的赤道地区，水分子占大气中分子的0.25...
2020 March 1 A Hole in Mars Image Credit: NASA, JPL, U. Arizona Explanation: What created this unusual hole in Mars? The hole was discovered by chance in 2011 on images of the dusty slopes of Mars’ Pavonis Mons volcano taken by the HiRISE instrument aboard the robotic Mars Reconnaissance Orbiter currently circling Mars. The hole, shown in representativ...