Debris disks and the search for life in the universe
Gianni Cataldi

TL;DR
This paper explores debris disks around stars, their role in planet formation, and their potential to inform us about astrobiology and the search for life beyond Earth.
Contribution
It provides observational insights into secondary gas in debris disks and discusses their astrobiological significance during impact events.
Findings
Detection of secondary gas in debris disks
Implications for planet formation theories
Potential for debris disks to host life-related processes
Abstract
Circumstellar debris disks are the extrasolar analogues of the asteroid belt and the Kuiper belt. They consist of comets and leftover planetesimals that continuously collide and produce circumstellar dust that can be observed as infrared excess or in resolved imaging. As an obvious outcome of the planet formation process, debris disks can help us constrain planet formation theories and learn about the history of our own solar system. This thesis presents observational studies of secondary gas in debris disks. It also discusses the astrobiological potential of debris disks created during impact events onto exoplanets.
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Taxonomy
TopicsAstro and Planetary Science
