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###Characterising Exoplanets: Theory and Data Driven perspectives###
1. Intro
Science Drivers - Planetary System formation and Life
Habitability - theory driven "habitable zone" - must understand composition/geology/atmoph. heat transport & dynamics/ hist & evol of atmos.
[Kepler Orrery:](https://www.youtube.com/watch?v=et7QmD32tjs)
__Jason Wang animation of exoplanets__
####Should be skeptical of data-poor theory driven expectations####
Exoplanet obs. are approachind data volume/quality of pre-space solar system obsns.
### Interface % theory & observn ####
Depends on question - parameter estimaion
-model selection
also whos asking question: Planetry Scietist / stellar astronomers
obsn(masses/raddii/orbits)->theory(bulk comp/dynam hist)->'obs'/ther(planet formation models)
Observations:
transiting planets (spectr-> radius & atmos)
eclipse spec (atmos)
High Res Spec -> atmos
Radial vel -> mass & dynamics
Direct imaged -> astrometric orbits-> mass & dynam
specetroo
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