Saturday Morning Physics pres.
Saturday Morning Physics VIRTUAL Event | Weighing and Counting Giants in the Sky
Maria Elidaiana da Silva Pereira, Research Fellow (U-M Physics)
Galaxy Clusters are the largest astronomical objects in the Universe. These cosmic giants are bound together by gravity and are formed by galaxies, hot gas, and the mysterious dark matter. By counting them and measuring their masses, we can understand the content and evolution of the Universe. In this talk, I will present how we can use the light for weighing galaxy clusters. I will also show how the Dark Energy Survey uses them to measure the quantity of dark matter and properties of the even more mysterious component, the dark energy.
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