A lovely name for galaxies - if a little inaccurate. We will learn how the size and spiral structure of our own Milky Way has been determined, how it relates to others within our local group of galaxies and how the gravitational pull of groups and clusters has determined the large scale structure of the Universe.
All our lectures are available for free download from the Gresham College website, in video, audio or text formats: gresham.ac.uk
Gresham College professors and guest speakers have been giving free public lectures in central London since 1597. This tradition continues today and you can attend any of our lectures, or watch or listen to them on our website.