The debate is raging again... is Pluto a planet or not... and does it really matter? The annual Lunar and Planetary Science Conference is being held in Houston. And we believe it's a hot topic of conversation.
Astronomer, Dr Ian Griffin, is the director at Otago Museum and is taking a keen interest in the debate.
Pluto and Charon display striking color and brightness contrast in this composite image from 11 July. Photo: NASA
