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DTSTART;TZID=Pacific/Auckland:20251208T200000
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CREATED:20251202T200758Z
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UID:2972-1765224000-1765227600@www.astronomy.org.nz
SUMMARY:Monthly Meeting December - The Modern Epicycles of Cosmology
DESCRIPTION:Cosmology is in crisis. We know very little about dark energy and dark matter\, two things that cosmologists believe\nare fundamental to the Universe and integral to the standard model of cosmology. With each new set of high-\nprecision observation\, disagreements between data and the standard model grow. This year experiments like the\nDESI survey have cast doubt on the nature of dark energy and how the Universe changed over time. Now the lead-\ning suggestions are that the strength of dark energy changes with time\, adding yet more mystery to the phenome-\nna. While these new models fit the data\, are they true\, or are they adding more complexity to a flawed concept? In\nthis talk we will explore the current landscape of cosmology and question the foundational assumptions of modern\ncosmology. \nDr Ryan Ridden is a Rutherford Postdoctoral Research Fellow at the University of Canterbury. His research is fo-\ncused in the time domain of astronomy and covers a wide range of topics including supernovae\, solar system ob-\njects\, exoplanets\, active galaxies\, and cosmology. Ryan is leading the international Cosmic Cataclysms Collabora-\ntion\, using space telescope data to search for the fastest explosions and variable objects in the Universe. Earlier this\nyear Ryan was part of a collaboration which used supernova data to test models of the Universe that did not use\ndark energy. Alongside research\, Ryan has engaged in public outreach and education\, frequently giving public lec-\ntures and mentoring future scientists.
URL:https://www.astronomy.org.nz/event/monthly-meeting-december-the-modern-epicycles-of-cosmology/
LOCATION:Stardome Observatory & Planetarium\, 670 Manukau Road\, Epsom\, Auckland\, 1345
CATEGORIES:AAS Meetings,Monthly Meeting
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