universetoday.com
What Is A Dwarf Planet? - Universe Today
The term dwarf planet has been tossed around a lot in recent years. As part of a three-way categorization of bodies orbiting the Sun, the term was adopted in 2006 due to the discovery of objects beyond the orbit of Neptune that were comparable in size to Pluto. Since then, it has come to be … Continue reading "What Is A Dwarf Planet?"