# The search for our solar system's ninth planet

- Institution: TED
- Department: TED@NAS
- Speaker: Mike Brown
- Year: 2019
- Level: For everyone
- Language: English
- Subjects: Astronomy and space
- Source: [TED](https://www.ted.com/talks/mike_brown_the_search_for_our_solar_system_s_ninth_planet)
- 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)

Could the strange orbits of small, distant objects in our solar system lead us to a big discovery? Planetary astronomer Mike Brown proposes the existence of a new, giant planet lurking in the far reaches of our solar system -- and shows us how traces of its presence might already be staring us in the face.

## Lectures

1. [The search for our solar system's ninth planet](https://invisiblenetwork.ai/learn/ted/mike_brown_the_search_for_our_solar_system_s_ninth_planet/9b0162ffd83d), 14 min (TED's player)