This is a talk held during the regular colloquium series (usually Tuesdays at 4pm).

The Faint Frontier of Galaxy Formation

Tuesday, January 22, 2019 - 4:00pm
Prof. Michael Boylan-Kolchin (UT Austin)

The lowest-mass stellar systems offer a unique and powerful path for examining fundamental questions in galaxy formation and dark matter physics. I will discuss how globular clusters and dwarf galaxies are providing tests of the LCDM model in the local Universe and at high redshifts.

Atmospheric Retrieval of Exoplanets: Extracting Chemical Abundances from Spectra of Exo-atmospheres

Tuesday, February 26, 2019 - 4:00pm
Prof. Kevin Heng (University of Bern)

I will review the method of atmospheric retrieval, which is a remote sensing technique borrowed from the Earth atmospheric and planetary sciences and generalised for the study of exoplanetary atmospheres.


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