The Expanding Universe with Keith Bechtol
Keith Bechtel from the University of Wisconsin-Madison presents an insightful lecture on the expanding universe, focusing on the Hubble Diagram, dark energy, and how the universe's expansion has evolved over time. He discusses the contributions of Type Ia supernovae in measuring cosmic distances and the role of the Rubin Observatory in refining our understanding of the universe’s expansion history. The slide deck for video can be found here.
Topics
- dark matter
- general relativity
- cosmology
- measuring distance
- Hubble diagram
- Hubble telescope
- space telescopes
- redshift
- cosmological redshift
- dark energy
- expanding universe
- universe size
- Type 1a supernovae
- supernova
- supernovae
- universe mapping
- cosmic microwave background radiation
- expansion rate
- Hubble constant tension