
Sign up to save your podcasts
Or


When is a planet not a planet? When it gets downgraded after 75 years, apparently. But was Pluto’s fate a mistake by the IAU, or an example of science in action? Marcos Huerta joins Antony to talk Kuiper belt objects, the New Horizons probe, and arbitrary astronomical definitions.
"Pluto"
Antony Johnston with Marcos Huerta
By Antony Johnston4.8
6262 ratings
When is a planet not a planet? When it gets downgraded after 75 years, apparently. But was Pluto’s fate a mistake by the IAU, or an example of science in action? Marcos Huerta joins Antony to talk Kuiper belt objects, the New Horizons probe, and arbitrary astronomical definitions.
"Pluto"
Antony Johnston with Marcos Huerta

620 Listeners

182 Listeners

65 Listeners

133 Listeners

120 Listeners

17 Listeners

77 Listeners

38 Listeners

49 Listeners

9 Listeners