| |||||
 | |||||
When Pluto was discovered in 1930, it was named the 9th planet of the solar system. More than 75 years later, that planetary status revoked and Pluto was demoted as _____.
|
| |||||
| |||||
| When Pluto was discovered in 1930, it was named the 9th planet of the solar system. More than 75 years later, that planetary status revoked and Pluto was demoted as _____.
|
