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X-WR-CALNAME;VALUE=TEXT:Stars & Planets Seminar - Natasha Batalha (STSci)
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SUMMARY:Stars & Planets Seminar - Natasha Batalha (STSci)
DESCRIPTION:<p>	<span style="background:white">“Interpreting Terrestrial Exo-Atmospheres with JWST: Insights from Solar System Science”</span></p><p>	<span style="background:white">We will soon have the technological capability to measure the atmospheric composition of temperate Earth-sized planets orbiting nearby stars. Interpreting these atmospheric signals poses a new challenge to planetary science. In order to understand the degree to which we will learn of terrestrial planets from their atmospheres, I use the mystery of early Mars as a case study. I describe how we leverage models to learn of Mars’ ancient past, and make the case that this will be a very similar problem to the characterization of terrestrial planets with JWST. Then, I lay the framework for an information content-based approach to optimize our observations and maximize the retrievable information from exo-atmospheres. Lastly, I'll address what constraints on retrievable parameters we can expect to get from temperate, high-mean-molecular weight atmospheres, and specifically what this will tell us of the physical nature of their atmospheres. </span></p><p>	 </p>
LOCATION:Phillips
STATUS:CONFIRMED
DTSTART:20181105T170000Z
DTEND:20181105T180000Z
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