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Currently Playing: Streams of Stars - Sixty Symbols

Mike Merrifield discusses how streams of stars build the Milky Way galaxy (via its close neighbor the Sagittarius Dwarf Elliptical Galaxy). Plus other research by winners of the 2026 Kavli Prize. More links and info below ↓ ↓ ↓ Vasily Belokurov, Amina Helmi, and Rodrigo Ibata won the 2026 Astrophysics Kavli Prize for uncovering the fossil evidence of past mergers proving that the Milky Way galaxy was built through hierarchical accretion. More at - https://www.kavliprize.org/prizes/astrophysics/2026 More videos with Mike Merrifield - https://www.youtube.com/playlist?list=PLcUY9vudNKBNGAgplgACrGL9UlxyDHq7k Mike Merrifield - https://about.me/michael.merrifield More prize stuff from Brady... Nobel Prize in Physics videos - https://www.youtube.com/playlist?list=PLcUY9vudNKBNRA7qR5KbgdY1c5IWIJcqf Nobel Prize in Chemistry videos - https://www.youtube.com/playlist?list=PL9eEsN9D48mddEnxhyfM44MCw4F3PohOI Fields Medallist videos - https://www.youtube.com/playlist?list=PLt5AfwLFPxWIDErJihuPX2S7E-0rnkaeu Abel Prize video - https://www.youtube.com/watch?v=e1_NXWjmwhc Brady's OAM - https://www.youtube.com/watch?v=HThWcm4d-CM Some key papers from this video... A dwarf satellite galaxy in Sagittarius - https://www.nature.com/articles/370194a0 Is the dark halo of our Galaxy spherical? - https://arxiv.org/abs/astro-ph/0309579 The Field of Streams: Sagittarius and its Siblings - https://arxiv.org/abs/astro-ph/0605025 The merger that led to the formation of the Milky Way’s inner stellar halo and thick disk - https://www.nature.com/articles/s41586-018-0625-x Patreon: https://www.patreon.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com Brady's chemistry channel is Periodic Videos - https://www.youtube.com/periodicvideos And mathematics at Numberphile - https://www.youtube.com/numberphile