#  ITC Colloquium - Yanqin Wu (U Toronto) 

 



####  calendar\_today Date and Time 

 **February 2, 2017** 

 11:00AM - 12:00PM EST 

####  pin\_drop Location 

 **Pratt**  



 

 



 

The Sizes of Kuiper Belt Objects  
  
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?  
  
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.  
  
This talk will feature tidal disruption events, but not, planet 9.



 

 



 

 See also:- [ 2016-17 ](/academic-year/2016-17)
- [ Colloquium ](/event-type/colloquium)
 
 

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