Finding the most metal-poor stars in the Milky Way's dwarf galaxies

Friday, October 25, 2019 - 12:15pm to 1:00pm
Ani Chiti (MIT)

The Milky Way's dwarf galaxies are ideal self-contained systems for us to study early chemical evolution, test theories of galaxy formation on small scales, and understand the assembly history of the Milky Way.

How fast is the universe growing?

Tuesday, October 29, 2019 - 11:00am
Prof. Jo Dunkley (Princeton)

There is currently a tension between various measurements of the expansion rate of the universe. I will give a recap of this issue, and talk about how we use the Cosmic Microwave Background, our most distant observation, to infer the local expansion rate of space.


Friday, November 8, 2019 - 12:15pm to 1:00pm
Gene Leung (UCSD)


Tuesday, November 12, 2019 - 11:00am
Prof. Hagai Perets (IIT)


Tuesday, November 19, 2019 - 11:00am
Dr. Natasha Batalha (UC Santa Cruz)


Friday, November 22, 2019 - 12:15pm to 1:00pm
Kyle Kremer (Northwestern)


Tuesday, December 3, 2019 - 11:00am
Dr. Vanessa Bailey (JPL)


Friday, December 6, 2019 - 12:15pm to 1:00pm
Christian Hayes (University of Virginia)