2006 Not A Planet Pluto
Dec. 28, 2024
Why is Pluto no longer a planet? | Library of Congress HeinOnline - 90 years ago today, Pluto was discovered as the ninth planet from the Sun. In 2006 however, Pluto was downgraded to a "Dwarf planet" as it only met two of Pluto and the Solar System | IAU Why is Pluto not a Planet? - Gifographic for kids | Mocomi | 2006 Not A Planet Pluto