UW Seminar: Bulk Composition and Habitability of Sub-Neptune-Size Exoplanets

Event Details

UW Seminar: Bulk Composition and Habitability of Sub-Neptune-Size Exoplanets

Time: April 22, 2014 from 3pm to 4pm
Location: Adobe Connect
Website or Map: http://connect.arc.nasa.gov/u…
Event Type: online, seminar
Organized By: Mike Toillion
Latest Activity: Apr 22, 2014

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Event Description

Bulk Composition and Habitability of Sub-Neptune-Size Exoplanets

Presenter: Leslie Rogers, California Institute of Technology
When: April 22, 2014 3PM PDT

Sub-Neptune and super-Earth sized planets are a new planet category. They account for 80% of the planet candidates discovered by Kepler, and 0% of the planets in the Solar System. What is the nature of these sub-Neptune-size planets, how did they form, why are they so numerous, and could they support liquid water oceans? Dr. Rogers will review some highlights from the complement of exotic sub-Neptune-size planets discovered to date and present an updated planet mass-radius diagram. With planet interior structure models, she will constrain the masses and radii both of rocky planets and of volatile-rich planets harboring liquid water oceans. These insights into the size demographics of rocky and volatile-rich planets have important implications for the occurrence rate of habitable planets throughout the galaxy.

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What do biosignatures tell us

Started by Ken Jones in SAGANet Community Jul 11. 0 Replies

Lately there has been a lot of talk about biosignatures. I've even come across articles where they talk about using biosignatures to look for life beyond earth in the rocks here on earth by searching for biosignatures of past life in rocks. I'm just…Continue

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