17th May – The Pluto Story – Prof. Ian Robson

Prof Ian Robson joins us to talk about Pluto, how it was discovered and how discovery and observations of KBOs eventually led the International Astronomical Union (IAU)  in 2006 to declassify Pluto from being a planet. Although ‘what is a planet?’ might seem to be an easy question to answer, it turns out that the Read more about 17th May – The Pluto Story – Prof. Ian Robson[…]