保护地球，探索宇宙，发现文明
2020 June 14 Happy People Dancing on Planet Earth Video Credit: Matt Harding & Melissa Nixon; Music: Praan (vocalist: Palbasha Siddique) by Gary Schyman Explanation: What are these humans doing? Dancing. Many humans on Earth exhibit periods of happiness, and one method of displaying happiness is dancing. Happiness and dancing transcend national boundarie...
NASA人类航天工作选出了新领导；下一个火星探测器增添了新的核心功能；NASA未来的挥发物调查极地探索月球漫游车（VolatilesInvestigating Polar Exploration Rover，VIPER）有了新进展……最近新闻速递，尽在「本周NASA」！ Credit：NASA NASA局长吉姆·布里登斯坦（Jim Bridenstine）任命商业载人计划（Commercial CrewProgram）的主管凯茜·利德斯（Kathy Lueders）为NASA人类探索与与运行（Human Exploration andOperations，HEO）任务部的下一任副部长，即刻生效。自2014年以来，利德斯一直在管理NASA用私人航天飞船将宇航员送往太空的相关任务，最终促成了NASA最近的一次成功发...
Looking deep into the universe, the NASA/ESA Hubble Space Telescope catches a passing glimpse of the numerous arm-like structures that sweep around this barred spiral galaxy, known as NGC 2608. Appearing as a slightly stretched, smaller version of our Milky Way, the peppered blue and red spiral arms are anchored together by the prominent horizontal central b...
This illustration imagines the view from NASA’s Cassini spacecraft during one of its final dives between Saturn and its innermost rings, as part of the mission’s Grand Finale. Cassini made 22 orbits that swooped between the rings and the planet before ending its mission on Sept. 15, 2017, with a final plunge into Saturn. #TBT Image Credit: NASA/J...
2020 June 12 NGC 2359: Thor’s Helmet Image Credit & Copyright: Martin Pugh Explanation: NGC 2359 is a helmet-shaped cosmic cloud with wing-like appendages popularly called Thor’s Helmet. Heroically sized even for a Norse god, Thor’s Helmet is about 30 light-years across. In fact, the helmet is more like an interstellar bubble, blown as...
2020 June 12 NGC 2359: Thor’s Helmet Image Credit & Copyright: Martin Pugh Explanation: NGC 2359 is a helmet-shaped cosmic cloud with wing-like appendages popularly called Thor’s Helmet. Heroically sized even for a Norse god, Thor’s Helmet is about 30 light-years across. In fact, the helmet is more like an interstellar bubble, blown as...
美国国家航空航天局（NASA）正在发挥其超级计算能力的能力，以帮助解决关于COVID-19的一些最紧迫的问题，包括关于病毒如何与人体细胞相互作用的基础科学、遗传风险因素和潜在治疗药物的筛选。 NASA位于加利福尼亚州硅谷的艾姆斯研究中心（Ames Research Center）的超级计算机除了支持地球、行星、航空航天、太阳物理学和天体物理学项目外，也为国家优先事项预留了时间。 NASA已加入了一个机构联盟，该联盟正致力于将超级计算机资源与利用高端计算进行COVID-19研究的提议相结合。这项工作由白宫科学技术政策办公室（White House Office of Science and Technology Policy）组织，参与的业界合作伙伴包括IBM、惠普企业、亚马逊、微软等。除此之外，能源部国家实验室...
星链任务。 图片来源：NASA太空飞行（NASASpaceflight） 北京时间6月4日上午9:25，SpaceX又发射了一批星链（Starlink）互联网卫星，让我们头顶上的星链卫星总数达到了482，向SpaceX的1584颗卫星部署目标又迈进了一步。而这还只是疯狂卫星部署的第一步，接下来SpaceX将构建包含4400颗卫星的Ku/ Ka波段网络。 星链卫星部署得如何了？ 加上6月4日的这次发射，SpaceX已经成功执行了7次星链v1.0任务，每次打包发射60颗卫星，加上最开始的2颗测试卫星和v0.9任务中的60颗卫星，目前为止SpaceX总共发射了482颗星链卫星。 其中有少数卫星在轨道上遇到了问题，到目前为止，有3颗正在积极地脱离轨道，SpaceX在提交联邦通信委员会（Federal Communica...
Like a wisp of electric green smoke, the aurora australis seemingly intersects with the Earth’s airglow as the International Space Station orbited above the Indian Ocean halfway between Australia and Antarctica. Ever-shifting displays of colored ribbons, curtains, rays, and spots, auroras are most visible near the North (aurora borealis) and South (aur...
Japan’s resupply ship, the H-II Transfer Vehicle-9 (HTV-9), is pictured attached to the International Space Station’s Harmony module. Stowed inside the Japanese space freighter is the HTV-8 cargo pallet that was brought up to the station on a previous resupply mission. The pallet contains old nickel-hydrogen batteries for disposal that were disco...