保护地球，探索宇宙，发现文明
When space shuttle Columbia took to the skies on its maiden voyage on April 12, 1981, a new era of spaceflight took wing. Space Transportation System-1, or STS-1, was the first of its kind when it lifted off from NASA Kennedy Space Center. In this image, the reusable orbiter, its two fuel tanks and two solid rocket boosters has just cleared the launch tower....
2021年04月12日 Alnitak and the Flame Nebula Image Credit & Copyright: Team ARO Explanation: What lights up the Flame Nebula? Fifteen hundred light years away towards the constellation of Orion lies a nebula which, from its glow and dark dust lanes, appears, on the left, like a billowing fire. But fire, the rapid acquisition of oxygen, is not what makes thi...
美国总统对NASA的预算资金提案；另一颗星球上的首飞准备；一名新成员前往空间站……最近新闻速递，尽在「本周NASA」！ 来源：NASA/JPL-Caltech 美国总统对NASA的预算资金提案 NASA代理局长史蒂夫·尤尔奇克（Steve Jurczyk）讨论了总统提出的2022财政年对NASA的可支配资金提案。尤尔奇克表示，这项247亿美元的资金提案“让NASA能够更积极地应对气候变化的挑战，采取比以往更多更好的方式，它使我们能够以更系统的角度理解地球，从海洋到大气。”提案包括与气候变化关联项目的资金，这些项目与NASA名称中第一个“A”相关。“NASA航空业一直负责的是开发更加环保的航空系统，X-57麦克斯韦（X-57 Maxwell）飞行演示机就是其中之一。它将演示电动飞机技术，包括分布式推进。” Cre...
Mary W. Jackson, NASA’s first black female engineer, was born April 9, 1921. Jackson earned degrees in mathematics and physical sciences in 1942. She landed a job at the Langley Memorial Aeronautical Laboratory’s segregated West Area Computing section in 1951, reporting to the group’s supervisor Dorothy Vaughan and eventually working alongside Katherin...
2021年04月11日 When Black Holes Collide Video Credit & Copyright: Simulating Extreme Spacetimes Collaboration Explanation: What happens when two black holes collide? This extreme scenario occurs in the centers of many merging galaxies and multiple star systems. The featured video shows a computer animation of the final stages of such a merger, while highli...
2021年04月10日 Zodiacal Night Image Credit & Copyright: Jean-Francois Graffand Explanation: An intense band of zodiacal light is captured in this serene mountain and night skyscape from April 7. The panoramic view was recorded after three hours of hiking from a vantage looking west after sunset across the Pyrenees in southern France. At 2838 meters altitud...
A sea of dark dunes, sculpted by the wind into long lines, surrounds Mars’ northern polar cap and covers an area as big as Texas. In this false-color image, areas with cooler temperatures are recorded in bluer tints, while warmer features are depicted in yellows and oranges. Thus, the dark, sun-warmed dunes glow with a golden color. This image covers a...
2021年04月09日 Messier 106 Image Credit: NASA, Hubble Legacy Archive, Kitt Peak National Observatory; Amateur Data & Processing Copyright: Robert Gendler Explanation: Close to the Great Bear (Ursa Major) and surrounded by the stars of the Hunting Dogs (Canes Venatici), this celestial wonder was discovered in 1781 by the metric French astronomer Pierre Mech...
2021年04月08日 3D Ingenuity Image Credit: NASA, JPL-Caltech, MSSS, ASU Explanation: The multicolor, stereo imaging Mastcam-Z on the Perseverance rover zoomed in to captured this 3D close-up (get out your red/blue glasses) of the Mars Ingenuity helicopter on mission sol 45, April 5. That’s only a few sols before the technology demonstrating Ingenuity will ...
Today is World Health Day and NASA’s Earth Science Division is using information from our Earth-observing satellites, surface sensors, and computer-based datasets to study the environmental, economic, and societal impacts of the COVID-19 pandemic and to determine whether environmental factors influence the spread of the virus. While scientists around t...