5/5: VPL Astrobiology Colloquium presents Caroline Morley

Event Details

5/5: VPL Astrobiology Colloquium presents Caroline Morley

Time: May 5, 2015 from 3pm to 4pm
Location: Adobe Connect
Website or Map: https://astrobiology.nasa.gov…
Event Type: online, seminar
Organized By: Mike Toillion
Latest Activity: May 5, 2015

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Event Description

Seeing Though the Clouds: The Thermal Emission and Reflected Light of Super-Earths With Flat Transmission Spectra

Presenter: Caroline Morley, University of California, Santa Cruz
When: May 5, 2015 3PM PDT

Vast resources have been dedicated to characterizing the handful of planets with radii between Earth’s and Neptune’s that are accessible to current telescopes. Observations of their transmission spectra have been inconclusive and do not constrain the atmospheric composition. Of the ~four small planets studied to date, all have radii in the near-IR consistent with being constant in wavelength, likely showing that these small planets are consistently enshrouded in thick hazes and clouds.

Caroline Morley will explore the types of clouds and hazes that can completely obscure transmission spectra. She will then show the effect that these thick clouds have on the thermal emission and reflected light spectra of small exoplanets. She will also be presenting a path forward for understanding this class of small planets: by understanding the thermal emission and reflectivity of small planets, scientists can potentially break the degeneracies and better constrain the atmospheric compositions.

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