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SUMMARY:Asteroids\, comets and dust around other stars - Mark Wyatt
DTSTART:20260224T190000Z
DTEND:20260224T200000Z
UID:TALK245080@talks.cam.ac.uk
CONTACT:Yunkai
DESCRIPTION:When considering the planetary systems of nearby stars\, it is
  natural to focus on the planets in those systems. After all\, these are t
 he most massive components of the system\, and some may be habitable. Howe
 ver\, most planetary systems also contain a much more numerous population 
 of smaller bodies\; i.e.\, asteroids\, comets\, and objects with sizes ext
 ending all the way down to micron-sized dust. Perhaps surprisingly\, these
  small bodies are often readily detectable giving a unique insight into a 
 star’s planetary system\, even when its planets remain undetected. This 
 talk will describe what we have learnt about the asteroids and comets of o
 ther stars\, and how their systems compare with our own. It will also high
 light recent observational discoveries from HST\, JWST and ALMA\, includin
 g the detection of a collision between two large comets\, and dust distrib
 utions shaped by radiation forces and gravitational interactions with unse
 en planets.
LOCATION:Wolfson Lecture Theatre\, Yusuf Hamied Department of Chemistry
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