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Explore the emerging field of cosmic dawn cosmology in this 49-minute conference talk that examines the universe's earliest epochs when the first stars and galaxies began to form. Delve into the theoretical frameworks and observational techniques used to study the period following the cosmic dark ages, when hydrogen atoms first formed and the universe became transparent to light. Learn about the challenges and breakthroughs in detecting signals from this primordial era, including the role of 21-cm hydrogen line observations and how they provide insights into the formation of the first luminous objects. Discover the connections between cosmic dawn observations and fundamental cosmological parameters, dark matter properties, and the reionization process that transformed the early universe. Gain understanding of current and future observational missions designed to probe this critical period in cosmic history, and examine how cosmic dawn cosmology is revolutionizing our comprehension of structure formation and the evolution of the universe from its earliest moments to the complex cosmic web we observe today.
