What is the youngest and the oldest planet?

1 Answer
Mila W.
Jun 11, 2017

Assuming you are talking about our solar system, it's hard to tell.

Explanation:

If you're talking about the whole universe, who knows when the first planet formed. Also, which planet is the youngest depends on your definition of when the proto-planet becomes a planet.

Related questions
See all questions in The Planets
Impact of this question
2278 views around the world
You can reuse this answer
Creative Commons License