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(c) Jon Tarrant, 2025Photograph (c) Jon Tarrant, 2025https://physbang.com/wp-content/uploads/2025/04/ex-00-67_web.jpgPhotograph (c) Jon Tarrant, 2025Photograph (c) Jon Tarrant, 2025https://physbang.com/wp-content/uploads/2025/04/ex-00-20_web.jpgPhotograph (c) Jon Tarrant, 2025Photograph (c) Jon Tarrant, 2025https://physbang.com/wp-content/uploads/2025/04/reading-order.pngreading-orderhttps://physbang.com/wp-content/uploads/2025/04/micrometer-overview_web.jpgPhotograph (c) Jon Tarrant, 2025Photograph (c) Jon Tarrant, 2025https://physbang.com/wp-content/uploads/2025/04/image-2.pngimage2025-04-09T16:51:17+00:00monthlyhttps://physbang.com/2025/04/08/am-i-dumber-than-a-machine/https://physbang.com/wp-content/uploads/2025/04/image-1.pngimagehttps://physbang.com/wp-content/uploads/2025/04/image.pngimage2025-04-09T09:31:05+00:00monthlyhttps://physbang.com/2025/03/29/paper-3a-q3-walk-through/https://physbang.com/wp-content/uploads/2025/03/q3-7_mr-t-answer.jpgQ3-7_Mr-T-answerhttps://physbang.com/wp-content/uploads/2025/03/figure-11.jpgFigure-11https://physbang.com/wp-content/uploads/2025/03/figs-7-and-10-1.jpgCreated with GIMPCreated with GIMP2025-03-29T20:32:41+00:00monthlyhttps://physbang.com/2025/03/23/effective-revision/2025-03-23T16:59:14+00:00monthlyhttps://physbang.com/2025/02/06/how-to-use-logarithms/2025-03-11T20:31:02+00:00monthlyhttps://physbang.com/2025/03/08/how-reliable-are-ai-assistants/https://physbang.com/wp-content/uploads/2025/03/ai-reliability_table-2.pngAI-reliability_Table-2https://physbang.com/wp-content/uploads/2025/03/ai-reliability_table-1.pngAI-reliability_Table-12025-03-08T19:12:20+00:00monthlyhttps://physbang.com/2025/02/13/particle-physics-iyq-2025/2025-02-13T18:14:11+00:00monthlyhttps://physbang.com/2025/01/02/spin-cooling/https://physbang.com/wp-content/uploads/2025/01/entropy-curves.pngentropy-curves2025-01-02T16:22:22+00:00monthlyhttps://physbang.com/2024/12/21/death-and-data-analysis/https://physbang.com/wp-content/uploads/2024/12/image.pngimage2024-12-21T18:23:59+00:00monthlyhttps://physbang.com/2024/11/24/what-is-spin/https://physbang.com/wp-content/uploads/2024/11/symmetry_quantum-entanglement_illustration.jpgSymmetry_Quantum-entanglement_illustrationhttps://physbang.com/wp-content/uploads/2024/11/electron-spin-explained_starecatdotcom.jpgelectron-spin-explained_starecatDOTcom2024-11-24T17:41:09+00:00monthlyhttps://physbang.com/2024/11/09/kepler-greater-than-copernicus/2024-11-09T18:11:08+00:00monthlyhttps://physbang.com/2024/10/14/what-is-the-strong-nuclear-force/https://physbang.com/wp-content/uploads/2024/10/strong-nuclear-force-graph_cleaned.jpgstrong-nuclear-force-graph_cleaned2024-10-14T12:12:50+00:00monthlyhttps://physbang.com/2024/09/26/mammoth-effort-to-image-our-galaxy-in-infra-red/https://physbang.com/wp-content/uploads/2024/09/eso2413g_mapped-area.jpgArea of the Milky Way mapped by the VVV and VVVX surveysThis image shows the regions of the Milky Way mapped by the VISTA Variables in the Vía Láctea (VVV) survey and its companion project, the VVV eXtended survey (VVVX). The total area covered is equivalent to 8600 full moons. The Milky Way comprises a central bulge — a dense, bright and puffed-up conglomeration of stars — and a flat disc around it. Red squares mark the central areas of our galaxy originally covered by VVV and later re-observed by VVVX: most of the bulge and part of the disc at one side of it. The other squares indicate regions observed only as part of the extended VVVX survey: even more regions of the disc at both sides (yellow and green), areas of the disc above and below the plane of the galaxy (dark blue) and above and below the bulge (light blue). The numbers indicate the galactic longitude and latitude, which astronomers use to chart objects in our galaxy. The names of various constellations are also shown.https://physbang.com/wp-content/uploads/2024/09/eso2413a.jpgHighlights of the most detailed infrared map of the Milky WayThis collage highlights a small selection of regions of the Milky Way imaged as part of the most detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom: NGC 3576, NGC 6357, Messier 17, NGC 6188, Messier 22 and NGC 3603. All of them are clouds of gas and dust where stars are forming, except Messier 22, which is a very dense group of old stars. The images were captured with ESO’s Visible and Infrared Survey Telescope for Astronomy (VISTA) and its infrared camera VIRCAM. The gigantic map to which these images belong contains 1.5 billion objects. 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