美国国家航空航天局于2026年10月20日发布了一组16个星系的观测图像，这些图像由钱德拉X射线天文台、詹姆斯·韦伯太空望远镜、哈勃太空望远镜、IXPE、尼尔·格雷尔斯·斯威夫特天文台和NuSTAR等多个天文台联合拍摄1。这些图像揭示了黑洞喷流、爆炸性恒星形成和星系碰撞等极端天体现象1。
X射线观测在这次联合观测中发挥了关键作用，能够检测到超大质量黑洞驱动的物质、被加热到数百万度的气体云以及恒星爆炸残骸1。通过对这些星系的深入研究，天文学家可以更好地理解银河系的演化历史和未来发展1。据预测，银河系预计在数十亿年后与仙女座星系合并1。
NASA released a collection of images from 16 galaxies captured through coordinated observations by multiple space telescopes on October 20, 2026 1. The imagery was obtained using the Chandra X-ray Observatory, James Webb Space Telescope, Hubble Space Telescope, IXPE, Neil Gehrels Swift Observatory, and NuSTAR 1. These observations reveal dramatic celestial events including black hole jets, explosive star formation, and galactic collisions that provide astronomers with insights into the past and future evolution of galaxies like our own 1.
X-ray observations prove particularly valuable in revealing the universe's most violent processes 1. These high-energy observations can detect matter driven by supermassive black holes, gas clouds heated to millions of degrees, and remnants from stellar explosions 1. The data gathered from these 16 galaxies contributes to our understanding of galactic dynamics, as Earth's own Milky Way is projected to merge with the Andromeda Galaxy in several billion years 1.
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