Cool Worlds Podcast #5 Kathryn Johnston - The Milky Way, Dark Matter vs MOND, Gaia
4 snips
Aug 8, 2023 Professor Kathryn Johnston discusses the structure and components of the Milky Way, the uncertainty of counting stars, the role of dark matter and its evidence, modified gravitational force, mapping the Milky Way with the Gaia mission, the nature of astronomy and the excitement of data, and the impact of studying the Milky Way on one's career and perspective on life.
Chapters
Transcript
Episode notes
1 2 3 4 5 6 7 8
Introduction
00:00 • 4min
Structure and Components of the Milky Way
03:48 • 6min
The Uncertainty of Counting Stars in the Milky Way
10:18 • 2min
The Structure of Galaxies and the Role of Dark Matter
12:19 • 20min
Exploring Modified Gravitational Force in the Milky Way
32:34 • 16min
Mapping the Milky Way with the Gaia Mission
48:42 • 14min
The Nature of Astronomy and Excitement of Data
01:03:07 • 8min
The Impact of Studying the Milky Way and Its Changing View
01:11:19 • 3min