按月归档: 2 月 2020

隐藏人物凯瑟琳·约翰逊去世 享年101岁

2020年2月24日,NASA数学家凯瑟琳·约翰逊(Katherine Johnson)去世,享年101岁,她是《隐藏人物》的原型之一,是寻求种族平等的开拓者。 凯瑟琳,1918年8月26日出生于西佛吉尼亚州白硫磺泉镇,是家里四个孩子中最小的。 她在10岁时就读于西弗吉尼亚州公立中学,这所学校位于西弗吉尼亚州立学院(现在的西弗吉尼亚州立大学)的校园内。由于在数学方面表现突出并跳级,凯瑟琳在14岁就进入西弗吉尼亚州立学院学习,大学期间学完了所有的数学课程,并在18岁时(1937年)以优异的成绩获得了数学和法语学位,之后在一所黑人公立学校任教。 1939年,凯瑟琳与第一任丈夫詹姆斯·戈布尔(James Goble)结婚,当西弗吉尼亚州悄悄地整合研究生学院时,凯瑟琳和另外两名男生成为西弗吉尼亚大学首批黑人学生,之后离...

庆祝凯瑟琳·约翰逊的一生和事业

Katherine Johnson passed away Feb. 24, 2020, after living a life filled with trail-blazing achievements. Being handpicked to be one of three black students to integrate West Virginia’s graduate schools is something that many people would consider one of their life’s most notable moments, but it’s just one of the breakthroughs that have marked Katherine Johns...

NGST-10b:劫难已定的行星

2020 February 26 NGST-10b: Discovery of a Doomed Planet Illustration Credit: ESA, C. Carreau; Text: Alex R. Howe (NASA/USRA, Science Meets Fiction Blog) Explanation: This hot jupiter is doomed. Hot jupiters are giant planets like Jupiter that orbit much closer to their parent stars than Mercury does to our Sun. But some hot jupiters are more extreme than oth...

朱诺探测到的木星磁场

2020 February 25 Jupiter’s Magnetic Field from Juno Video Credit: NASA, JPL-Caltech, Harvard U., K. Moore et al. Explanation: How similar is Jupiter’s magnetic field to Earth’s? NASA’s robotic Juno spacecraft has found that Jupiter’s magnetic field is surprisingly complex, so that the Jovian world does not have single magnetic p...

马尼托巴上空的月华、月晕和切弧

2020 February 24 Moon Corona, Halo, and Arcs over Manitoba Image Credit & Copyright: Brent Mckean Explanation: Yes, but could you get to work on time if the Moon looked like this? As the photographer was preparing to drive to work, refraction, reflection, and even diffraction of moonlight from millions of falling ice crystals turned the familiar icon of ...

本周NASA速递(20200223)

副总统彭斯访问了NASA的兰利研究中心;木星上的水相关研究结果;研究月球的最暗区域……最近新闻速递,尽在「本周NASA」!

康妮·摩尔和谢瓦·摩尔:NASA影像的守护者

Connie Moore (left) and Sheva Moore are not related but they share a passion for helping the public find just the right image or film clip for projects. With a combined 50+ years of service at NASA Headquarters, they have worked on projects big and small–from books by high-end publishers Taschen, to documentaries and feature films. Sheva Moore joined N...

揭示计画的宇宙模拟影片

2020 February 23 Illustris Simulation of the Universe Video Credit: Illustris Collaboration, NASA, PRACE, XSEDE, MIT, Harvard CfA; Music: The Poisoned Princess (Media Right Productions) Explanation: How did we get here? Click play, sit back, and watch. A computer simulation of the evolution of the universe provides insight into how galaxies formed and perspe...

太阳轨道飞行器传送首次测量数据

2月13日,太阳轨道飞行器的首次测量数据传达地面,向国际科学小组证实了在成功地部署了航天器的仪器吊臂后,航天器上的磁力计状况良好。 版权:ESA;航天器:ESA/ATG Medialab;数据:ESA/Solar Orbiter/磁力计(MAG) 2月10日,欧洲航天局(ESA)的新型太阳探测航天器:太阳轨道飞行器(Solar Orbiter)发射升空。它携带有10个科学仪器,其中4个用来测量航天器周围环境的特性,特别是太阳风(由太阳发出的带电粒子流)的电磁特性。其中3种“原位”仪器(’in situ’ instruments)的传感器设置于4.4米长的吊臂上。 伦敦帝国理工学院的蒂姆•霍伯里(Tim Horbury)是磁力计仪器(Magnetometer instrument)的首席研究员,他表示:“我们所测...

半人马座A的核心区

2020 February 22 Central Centaurus A Image Credit: NASA, ESA, Hubble Heritage (STScI/ AURA)-ESA/Hubble Collaboration Explanation: A mere 11 million light-years away, Centaurus A is the closest active galaxy to planet Earth. Also known as NGC 5128, the peculiar elliptical galaxy is over 60,000 light-years across. A region spanning about 8,500 light-years, inc...