Dr Kirby Runyon from Johns Hopkins University's APL joins us to talk about mountains, hearts and giant ice spears all discovered on Pluto by the New Horizons mission. We also argue the definition of what a 'planet' actually is. What do you think?
Dr Kirby Runyon from Johns Hopkins University's APL joins us to talk about mountains, hearts and giant ice spears all discovered on Pluto by the New Horizons mission. We also argue the definition of what a 'planet' actually is. What do you think?