https://theconversation.com/curious-kids-why-do-we-think-there-is-a-possible-planet-x-195016
0
0
2/14/23 at 7:09pm
Organization
The Conversation Africa
Author
Sara Webb
The Solar System as we know it doesn’t really make sense without a ninth planet. So then why can’t we find it?
Create an account
or login to join the discussion