# The Sun's surprising movement across the sky

- Institution: TED
- Department: TED-Ed
- Speaker: Gordon Williamson
- Year: 2015
- Level: For everyone
- Language: English
- Subjects: Earth and environment, Astronomy and space, Teaching and learning
- Source: [TED](https://www.ted.com/talks/gordon_williamson_the_sun_s_surprising_movement_across_the_sky)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun look like in that combined image? A stationary dot? A circular path? Neither. Oddly enough, it makes a ‘figure 8’ pattern, known as the Sun’s analemma. Gordon Williamson explains why. \[Directed by TED-Ed, narrated by Addison Anderson, music by Carlos Palomares\].

## Lectures

1. [The Sun's surprising movement across the sky](https://invisiblenetwork.ai/learn/ted/gordon_williamson_the_sun_s_surprising_movement_across_the_sky/0e9286379586), 5 min (TED's player)