Saved Bookmarks
| 1. |
When was Pluto not declared as a planet |
|
Answer» ong>Answer: Since 2006, per the International Astronomical Union's planetary criteria, Pluto isn't CONSIDERED a PLANET because it hasn't cleared the neighborhood AROUND its orbit of other objects. HOWEVER, it does meet IAU's criteria for what constitutes a dwarf planet. Explanation: hope it helps you. |
|