This artist’s conception illustrates a Jupiter-like planet alone in the dark of space, floating freely without a parent star. 这幅艺术家的构思图说明了一颗类似木星的行星在黑暗的太空中独自游荡，没有母星。 Exoplanet hunters have found thousands of planets, most orbiting close to their host stars, but relatively few alien worlds have […]
In this image from Sept. 30, 2021, the SpaceX Cargo Dragon resupply ship is pictured as it backs away from the International Space Station’s forward-facing international docking adapter. The Cargo Dragon’s beacon lights and a plume from one of its engines during its departure burn made f
When it comes time for NASA’s Psyche spacecraft to power itself through deep space, it’ll be more brain than brawn that does the work. Once the stuff of science fiction, the efficient and quiet power of electric propulsion will provide the force that propels the Psyche spacecraft all the way to the
Harold Domich. Robert Greenmun. Barron Gulak. Raymond Harper. Jerald Jordan. Harry Larson. David Myers. Donald Peterson. Raymond Piper. Alvin Steele. John Zakutney. 哈罗德·多米奇。罗伯特·格林蒙。巴伦·古拉克。雷蒙德·哈珀。杰拉德·乔丹。哈里·拉尔森。大卫迈尔斯。唐纳德·彼得森。雷蒙德派珀。阿尔文·斯蒂尔。约翰·扎库特尼。 Before NASA could send humans to space, the agency nee
Lee esta historia en español aquí. 在这里阅读西班牙文版的故事。 Pedro Cota is a video producer for NASA en español (NASA’s Spanish communications program), working for the agency’s Science Mission Directorate. Cota, who joined NASA in August 2020 during the COVID-19 pandemic and working remotely, produces v
2021年10月7日 NGC 6559: East of the Lagoon Image Credit & Copyright: Roberto Sartori Explanation: Slide your telescope just east of the Lagoon Nebula to find this alluring field of view in the rich starfields of the constellation Sagittarius toward the central Milky Way. Of course the Lagoon nebul
2021年10月6日 M43: Streams of Orion Image Credit & Copyright: Jari Saukkonen Explanation: Where do the dark streams of dust in the Orion Nebula originate? This part of the Orion Molecular Cloud Complex, M43, is the often imaged but rarely mentioned neighbor of the more famous M42. M42, seen in par
2021年10月5日 Sunrise at the South Pole Image Credit & Copyright: Martin Wolf (U. Wisconsin), IceCube Neutrino Obs., NSF; ht: Alice Allen Explanation: Sunrise at the South Pole is different. Usually a welcome sight, it follows months of darkness — and begins months of sunshine. At Earth̵
2021年10月4日 NGC 4676: When Mice Collide Image Credit: NASA, ESA, Hubble; Processing & Copyright: William Ostling (The Astronomy Enthusiast) Explanation: These two mighty galaxies are pulling each other apart. Known as the “Mice” because they have such long tails, each spiral galaxy h
2021年10月3日 The Holographic Principle and a Teapot Image Credit: Caltech Explanation: Sure, you can see the 2D rectangle of colors, but can you see deeper? Counting color patches in the featured image, you might estimate that the most information that this 2D digital image can hold is about 60 (horiz
