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Origin of Short-Lived Radioactive Nuclei in the early Solar System

Event details of Maria Lugaro (Konkoly Observatory Research Centre for Astronomy and Earth Sciences)
Date 9 December 2020
Time 11:00 -12:00
Maria Lugaro

In spite of its crucial role as a heating source in the early Solar System, the origin of the radioactive nucleus aluminium-26 (half life ~ 0.7 Myr) is still a mystery, with 8 independent scenarios still proposed today. A way to address this problem from an independent angle is to use the other 16 short-lived radioactive nuclei that were present in the early Solar System as chronometers to measure the timing of the events that predated the birth of the Sun and, therefore, to identify the circumstances and environment of this birth. I will describe our most recent findings on this investigation within the framework of the "konkoly.hu/radiostar" project.