The Search for Planet 9 - A Federation of Astronomical Societies Webinar - new webinar start time 6pm
Sat 25 Oct
|Institute of Astronomy
After Pluto was demoted to a Dwarf Planet, it was proposed there might be a Planet 9 somewhere. Join us to find out more about the search.
Time & Location
25 Oct 2025, 16:30 – 19:30
Institute of Astronomy, Madingley Rd, Cambridge CB3 0HA, UK
About The Event
This is an online Zoom event and we will be "signing in" from the IoA on Madingley Road. The CAA is paying a group rate to allow us to participate and we suggest that all participants pay £1 on the day to help us cover the cost.
Please note that the Webinar time has changed from a 5pm start to a 6pm start. We will still open the doors around 4.30pm to provide refreshments and a preliminary presentation will be delivered by the CAA while we wait for the main webinar to commence
Doors will open at 4.30 with some refreshments available. The Webinar starts at 6pm
Main speaker - Mike Brown - Professor of planetary astronomy at the California Institute of Technology
Back in 1930, Pluto was discovered by Clyde Tombaugh and it became the solar system’s 9th planet.
However in 2005, Mike Brown led a team that discovered…