分类: NASA·每日一图

哈勃望远镜看到了一张星帆

The spiral arms of the galaxy NGC 3318 are lazily draped across this image from the NASA/ESA Hubble Space Telescope. This spiral galaxy lies in the constellation Vela and is roughly 115 million light-years away from Earth. Vela was originally part of a far larger constellation, known as Argo Navis after the fabled ship Argo from Greek mythology, but this unw...

透过窗户看世界

In this image from Jan. 9, 2022, NASA astronaut Kayla Barron peered out from a window inside the cupola, the International Space Station’s “window to the world.” Prominent station components in this photograph include the Kibo laboratory module and its external pallet, the Japanese robotic arm, and the Leonardo Permanent Multipurpose Module...

缅怀先驱者查尔斯·麦基

Retired U.S. Air Force Brig. Gen. Charles McGee, left, spoke with NASA astronaut Alvin Drew during a Black History Month program titled “Trailblazers, The Story of a Tuskegee Airman,” Wednesday, Feb. 5, 2020, at NASA Headquarters in Washington, D.C. McGee, a pilot with the Tuskegee Airmen during World War II, was a career officer in the Air Force also servin...

在红色星球上钻孔

This image shows the Highfield drill hole, on Vera Rubin Ridge in Gale crater on Mars, made by NASA’s Curiosity rover. Just recently, scientists announced that an analysis of rock samples collected by the rover were enriched in carbon 12, a type of carbon that on Earth is associated with biological processes. 这张图片显示了由美国宇航局好奇号火星车在火星盖尔陨石坑的维拉鲁宾岭上的海菲尔德钻孔。就在最近,科学...

颜色爆炸; 美丽的地球

This image, captured by the Landsat 8 satellite, shows the view over Western Australia on May 12, 2013. The image shows rich sediment and nutrient patterns in a tropical estuary area and complex patterns and conditions in vegetated areas. 这张由地球资源卫星8号拍摄的图像显示了2013年5月12日澳大利亚西部的景色。该图像显示了热带河口地区丰富的沉积物和养分模式以及植被区的复杂模式和条件。 The image is enhanced and involved masking, ...

猎户座的幼星

Scores of baby stars shrouded by dust are revealed in this infrared image of the star-forming region NGC 2174, as seen by NASA’s Spitzer Space Telescope. Some of the clouds in the region resemble the face of a monkey in visible-light images, hence the nebula’s nickname: the “Monkey Head.” However, in infrared images such as this, the monkey...

摄于澳洲的李奥纳德彗星特写

2022年1月12日 Comet Leonard Closeup from Australia Image Credit & Copyright: Blake Estes (itelescope.net) Explanation: What does Comet Leonard look like up close? Although we can’t go there, imaging the comet’s coma and inner tails through a small telescope gives us a good idea. As the name implies, the ion tail is made of ionized gas — g...

银河系的超大质量黑洞有泄漏 银河系的超大质量黑洞有一个裂缝

Our Milky Way’s central black hole has a leak. This supermassive black hole looks like it still has the vestiges of a blowtorch-like jet dating back several thousand years. NASA’s Hubble Space Telescope hasn’t photographed the phantom jet but has helped find circumstantial evidence that it is still pushing feebly into a huge hydrogen cloud ...

西德尼·波蒂埃访问NASA喷气推进实验室

NASA’s Jet Propulsion Laboratory (JPL) has had many famous and interesting visitors over the years, from fellow scientists, to film industry stars, to musicians, to reporters, and many more. One notable visit was from legendary actor and diplomat, Sidney Poitier. One of the first Black actors to win an Academy Award, which he did for Best Actor for Lil...

等待展开

This image shows the James Webb Space Telescope (JWST) atop its launch vehicle, but before it was encapsulated in the rocket fairing. The telescope is encased in protective clean tent. 这张图片显示了詹姆斯·韦伯太空望远镜(JWST)在其运载火箭顶部,但在它被封装在火箭整流罩之前。望远镜被包裹在保护性干净的帐篷中。 On Saturday, Jan. 8, the agency will provide live coverage the James Webb Space Telescope’s major spacecraft ...