The Biggest Cosmic Map - Chris Lintott

Watch the Q&A session here: https://youtu.be/TRCkgDWKTdY Mapping the stars is, perhaps, the oldest of astronomical pursuits, but it has been perfected by the European Space Agency's Gaia mission, which is providing an exquisitely precise map showing the positions and movements of the nearest two billion stars. Starting with a history of mapping the cosmos, this lecture describes the new and dynamic history of our Milky Way galaxy that results, and will move to explaining the dynamic and ...