标签: cosmology

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模拟: 盘状星系的形成

2023年5月31日 Simulation: A Disk Galaxy Forms Video Credit: TNG Collaboration, MPCDF, FAS Harvard U.; Music: World’s Sunrise (YouTube: Jimena Contreras) Explanation: How did we get here? We know that we live on a planet orbiting a star orbiting a galaxy, but how did all of this form? Since our universe moves too slowly to watch, faster-moving computer sim...

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TNG50模拟:星系团是如何形成的

2022年5月29日 Simulation TNG50: A Galaxy Cluster Forms Video Credit: IllustrisTNG Project; Visualization: Dylan Nelson (Max Planck Institute for Astrophysics) et al. Music: Symphony No. 5 (Ludwig van Beethoven), via YouTube Audio Library Explanation: How do clusters of galaxies form? Since our universe moves too slowly to watch, faster-moving computer simulatio...

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可观测的宇宙

2022年3月16日 The Observable Universe Illustration Credit & Licence: Wikipedia, Pablo Carlos Budassi Explanation: How far can you see? Everything you can see, and everything you could possibly see, right now, assuming your eyes could detect all types of radiations around you — is the observable universe. In light, the farthest we can see comes from t...

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模拟宇宙里的暗物质

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 rotate so fast, why galaxies orbit clusters so fast, why grav...

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虚拟宇宙里的暗物质

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 rotate so fast, why galaxies orbit clusters so fast, why grav...

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星系NGC 2525的超新星

2020年10月23日 Supernova in NGC 2525 Image Credit: NASA, ESA, A. Riess (STScI/JHU) and the SH0ES team Acknowledgment: M. Zamani (ESA/Hubble) Explanation: Big, beautiful, barred spiral galaxy NGC 2525 lies 70 million light-years from the Milky Way. It shines in Earth’s night sky within the boundaries of the southern constellation Puppis. About 60,000 light...