保护地球，探索宇宙，发现文明
编者按：本文重点介绍了韦伯科学进展中的数据，这些数据尚未通过同行评审。 我们与罗格斯大学的克里斯汀·麦克奎恩（Kristen McQuinn）进行了交谈，他是韦伯早期发布科学项目（Early Release Science, ERS）项目1334的首席科学家之一，专注于分析恒星群。这些是大恒星群，包括矮星系沃尔夫-伦德马克-梅洛特星系（Wolf-Lundmark-Melotte, WLM）中的恒星，它们的距离近到足以让韦伯区分单个恒星，但距离足以让韦伯一次拍摄大量恒星。 斯皮策太空望远镜的红外阵列相机（左）和詹姆斯·韦伯太空望远镜的近红外相机（右）拍摄到的矮星系沃尔夫-伦德马克-梅洛特星系（Wolf-Lundmark-Melotte, WLM）的一部分。这些图像展示了韦伯在分辨星系外微弱恒星方面的非凡能力。斯皮...
2022年11月9日 The Asymmetric Nebula Surrounding Wolf-Rayet Star 18 Image Credit & Copyright: Alex Woronow Explanation: Why does the nebula around the star WR-18 shine brighter on one side? Also known as NGC 3199, this active star and its surrounding nebula lie about 12,000 light-years away toward the nautical southern constellation of Carina. The featured ...
This composite made from ten images shows the progression of the Moon during a total lunar eclipse above the Vehicle Assembly Building, Nov. 8, 2022, at NASA’s Kennedy Space Center in Florida. Visible trailing the Moon in this composite is Mars. For North America, the partial eclipse began at 4:09 a.m. EST, with totality beginning at 5:16 a.m. One feature of...
2022年11月8日 Galaxies: Wild’s Triplet from Hubble Image Credit: ESA/Hubble, NASA, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA, J. Dalcanton Explanation: How many galaxies are interacting here? This grouping of galaxies is called the Wild Triplet, not only for the discoverer, but for the number of bright galaxies that appear. It had been assum...
NASA’s Space Launch System (SLS) rocket with the Orion spacecraft aboard is illuminated by spotlights atop the mobile launcher at Launch Pad 39B as preparations for launch continued Sunday, Nov. 6, 2022, at NASA’s Kennedy Space Center in Florida. SLS and Orion arrived at the launch pad on Friday, Nov. 4, after a nearly nine-hour journey from the Vehicle Asse...
2022年11月7日 A Total Lunar Eclipse Over Tajikistan Video Credit & Copyright: Jean-Luc Dauvergne (Ciel et Espace); Music: Valère Leroy & Sophie Huet (Space-Music) Explanation: If the full Moon suddenly faded, what would you see? The answer was recorded in a dramatic time lapse video taken during the total lunar eclipse in 2011 from Tajikistan. During ...
2022年11月6日 Dark Ball in Inverted Starfield Image Credit: Jim Lafferty Explanation: Does this strange dark ball look somehow familiar? If so, that might be because it is our Sun. In the featured image from 2012, a detailed solar view was captured originally in a very specific color of red light, then rendered in black and white, and then color inverted. Once ...
Selected as an astronaut candidate in June 2013, Nicole A. Mann is the first Native American woman from NASA in space. In 2018, she was chosen as one of the nine astronauts to crew the first flight tests and missions of the Boeing CST-100 Starliner and SpaceX Crew Dragon. In her first spaceflight, she launched to the International Space Station as commander ...
2022年11月5日 Lunar Eclipse at the South Pole Image Credit & Copyright: Aman Chokshi Explanation: Last May 16 the Moon slid through Earth’s shadow, completely immersed in the planet’s dark umbra for about 1 hour and 25 minutes during a total lunar eclipse. In this composited timelapse view, the partial and total phases of the eclipse were captu...
11月的天空会发生什么？月食，月球和行星，以及狮子座流星雨。