# Our 'Island Universe'

- Institution: Gresham College
- Speaker: Professor Ian Morison
- Year: 2008
- Level: For everyone
- Language: English
- Subjects: Astronomy and space
- Source: [Gresham College](https://www.gresham.ac.uk/watch-now/our-island-universe)
- Licence: [Educational use (Gresham College's terms)](https://www.gresham.ac.uk/terms-and-conditions)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

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.

## Lectures

1. [Our 'Island Universe'](https://invisiblenetwork.ai/learn/gresham/our-island-universe/1e588ed92bdc) (YouTube)