按月归档: 12 月 2023

揭示计划的宇宙模拟影片

2023年12月31日 Illustris: A 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 perspect...

大麦哲伦烟花

The Hubble Space Telescope captured this image of a stellar explosion throwing out sheets of debris in the nearby Large Magellanic Cloud galaxy on July 7, 2003. Since its 1990 launch, Hubble has changed our fundamental understanding of the universe; with over 1.5 million observations and 20,000+ papers published on its discoveries, Hubble is the most product...

反射

A Great Blue Heron skims its wings on a waterway at NASA’s Kennedy Space Center in Florida on Jan. 11, 2021, making an artistic reflection on the water’s surface. Kennedy shares a border with the Merritt Island National Wildlife Refuge. Merritt Island’s strategic location along the Atlantic Flyway provides a resting and feeding place for thousands of wading ...

最后的满月

2023年12月30日 The Last Full Moon Image Credit & Copyright: Giacomo Venturin Explanation: Known to some in the northern hemisphere as December’s Cold Moon or the Long Night Moon, the last full moon of 2023 is rising in this surreal mountain and skyscape. The Daliesque scene was captured in a single exposure with a camera and long telephoto lens near M...

太空中的莎翁名剧人物

2023年12月29日 Shakespeare in Space Image Credit: NASA, ESA, CSA, STScI Explanation: In 1986, Voyager 2 became the only spacecraft to explore ice giant planet Uranus close up. Still, this newly released image from the NIRCam (Near-Infrared Camera) on the James Webb Space Telescope offers a detailed look at the distant world. The tilted outer planet rotates on i...

研究物理科学家贾斯汀·理查森

“When I mentor students, their academic [talents] are a given. They’re very bright. They’re very smart. But I mentor them to teach them what they don’t learn in school: how to work with other people, how to seek help, and how to mature from a student to a professional. “[I teach them that] when you fail, it’s OK. Admit what you did wrong, be honest about it,...

节日钟声敲响

The ice giant Uranus and its rings steal the show in this Dec. 18, 2023, image from the James Webb Space Telescope. The telescope captured new images of Uranus, revealing detailed features of the planet’s rings and seasonal north polar cap, as well as bright storms near and below the southern border of the cap. This Webb image also shows 14 of the planet’s 2...

木星与双子流星

2023年12月28日 Jupiter and the Geminid Image Credit & Copyright: Gaurav Singh Explanation: For a brief moment, this brilliant fireball meteor outshone Jupiter in planet Earth’s night. The serendipitous image was captured while hunting meteors under cold Canadian skies with a camera in timelapse mode on December 14, near the peak of the Geminid meteor ...

冰岛瀑布上空的彩虹极光

2023年12月27日 Rainbow Aurora over Icelandic Waterfall Image Credit & Copyright: Stefano Pellegrini Explanation: Yes, but can your aurora do this? First, yes, auroras can look like rainbows even though they are completely different phenomena. Auroras are caused by Sun-created particles being channeled into Earth’s atmosphere by Earth’s magnetic...