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X-WR-CALNAME;VALUE=TEXT:ITC Colloquium - Yanqin Wu (U Toronto)
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SUMMARY:ITC Colloquium - Yanqin Wu (U Toronto)
DESCRIPTION:<p>The Sizes of Kuiper Belt Objects<br><br>Abstract:   Kuiper Belt Objects are often touted as fossil records of the early Solar System. So what can we learn from them? Here I will discuss one important aspect, their primordial size distribution: is it top-heavy with most of the initial mass absorbed into large bodies like Pluto, or is it bottom-heavy with most of the mass locked into km-sized boulders and only a minute fraction running away to form Plutos?<br><br>These two models assume different conditions in the early Solar system, rely on different dynamical processes, and make different predictions for a multitude of observables. These include, e.g., the outward migration of Neptune, crater counts on Pluto, new comets from the Oort cloud, and, further afield, the looks of extra-solar debris disks.<br><br>This talk will feature tidal disruption events, but not, planet 9.</p>
LOCATION:Pratt
STATUS:CONFIRMED
DTSTART:20170202T160000Z
DTEND:20170202T170000Z
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