#  Origins Chalk Talk "A Simple Analytical Model for Rocky Planet Interior" Li Zeng (EPS- Jacobsen Group) 

 



####  calendar\_today Date and Time 

 **December 3, 2015** 

 09:00AM - 09:00AM EST 

####  pin\_drop Location 

 **Naito Laboratory, Room 205, 12 Oxford St, Cambridge**  



 

 



 

Abstract:  
From PREM (Dziewonski & Anderson 1981), I deduce a simple analytical model for rocky planets. Tested with PREM-extrapolated numerical models (Zeng, Sasselov, Jacobsen 2015), this model can be applied to any two-layer (iron-silicate) rocky exoplanets with CMF (core mass fraction) range 0.2∼0.35 and mass range of 0.1~20 M⊕. This analytical model yields several handy and powerful formulae for the interior of such a planet. They can provide physical insights into the planet structure.



 

 



 

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