What happened to Pluto?
When Pluto was demoted from its status as a planet in August by the International Astronomical Union, good-humoured outrage swept the globe. How could Pluto, the littlest planet, no longer be what we thought it was? Vatican astronomer Br Guy Consolmagno noted that defining Pluto as a planet, asteroid or dwarf planet was important because it affects how we think about Pluto and how astronomers would study the celestial body in the future - John DeSio
30 Nov 2006