What planet has the most volcanoes?

Glad I'm from Mars.

NASA should send or find out more about the inner planets than what's out in the universe.

Liz, Mercury is closest.

penguin lover🐧, These are planets in the SOLAR SYSTEM!!! Universe is a different

penguin lover🐧, lol

I see no one is taking credit for this. Unusual Constructs ? Large Flow Features? These and other technical terms would be explained or described in a good explanation

penguin lover🐧, 😃