鲁宾的星系
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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 uni
2023年4月5日 Rubin’s Galaxy Image Credit: NASA, ESA, B. Holwerda (University of Louisville) Explanation: In this Hubble Space Telescope image the bright, spiky stars lie in the foreground toward the heroic northern constellation Perseus and well within our own Milky Way galaxy. In sharp focus bey
2021年10月31日 Dark Matter in a Simulated Universe Illustration Credit & Copyright: Tom Abel & Ralf Kaehler (KIPAC, SLAC), AMNH Explanation: Is our universe haunted? It might look that way on this dark matter map. The gravity of unseen dark matter is the leading explanation for why galaxies r
2021年9月18日 Rubin’s Galaxy Image Credit: NASA, ESA, B. Holwerda (University of Louisville) Explanation: In this Hubble Space Telescope image the bright, spiky stars lie in the foreground toward the heroic northern constellation Perseus and well within our own Milky Way galaxy. In sharp focus be
2020年12月16日 Sonified: The Matter of the Bullet Cluster Image Credit: X-ray: NASA/CXC/SAO; Optical: NASA/STScI, Magellan/U.Arizona; Lensing Map: NASA/STScI, ESO WFI, Magellan/U.Arizona; Sonification: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida) Explanation: What’s the matter w
2020年10月25日 Dark Matter in a Simulated Universe Illustration Credit & Copyright: Tom Abel & Ralf Kaehler (KIPAC, SLAC), AMNH Explanation: Is our universe haunted? It might look that way on this dark matter map. The gravity of unseen dark matter is the leading explanation for why galaxies r
宇宙的膨胀可能在各个方向上都不尽相同 宇宙学的基本思想之一是,如果你看足够远的地方,所有东西在各个方向上看起来都是一样的。一项使用NASA钱德拉X射线天文台和ESA的XMM-Newton数据的新研究正在挑战这一基本概念。 天文学家利用来自这些轨道天文台的X射线数据,研究了数百个星系团,它们是宇宙中由重力聚集在一起的最大结构,以及它们在天空中的表观性质如何不同。 这张图表包含了一张完整的天空地图,显示了数百个星系团中的四个,这些星系团被用来测试宇宙在大尺度上是否在各个方向上都是相同的。 来源:NASA/CXC/Univ. of Bonn/K. Migkas et al.; Illustratio
2020 January 25 Rubin’s Galaxy Image Credit: NASA, ESA, B. Holwerda (University of Louisville) Explanation: In this Hubble Space Telescope image the bright, spiky stars lie in the foreground toward the heroic northern constellation Perseus and well within our own Milky Way galaxy. In sharp foc