A quick reminder, Pluto is not a planet.
It can be hard to accept this. Many people today grew up with 9 planets and it is hard to let one go. But there are reasons why the textbooks needed updating:
A quick reminder, Pluto is not a planet.
It can be hard to accept this. Many people today grew up with 9 planets and it is hard to let one go. But there are reasons why the textbooks needed updating: