Author: Nico Orce, Full Professor of Physics, University of the Western Cape

[ad_1] When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun’s ninth planet, many astronomers and non-experts alike were shocked. Pluto remains an important object for study, though. Today it is considered one of many dwarf planets beyond Neptune, in a doughnut-shaped region of mostly icy […]