Carnegie Lecture - Hubble’s Troublesome Constant
4 p.m.–5 p.m.
Dr. Chris Burns, Research Associate, Carnegie Observatories, covers the history of Edwin Hubble's Constant, a type of unit that measures the expansion of the universe, and how astronomers are trying to pin down its precise value.
This lecture will be livestreamed at 4 p.m. (PDT).
Image credit: NASA/JPL