Notes on YAS Zoom Meetings 2020, compiled by Paul Thornley
Friday 4th September 2020
- Neil Haggarth (Cleveland and Darlington AS) – How Big is Space? Presentation on the historical development of measuring distances to near and distant astronomical objects. Cepheids. Planets to galactic clusters. Hubble Constant. https://en.wikipedia.org/wiki/Cosmic_distance_ladder