What is the best planet?

Answer 1

Obviously, for humans, the best known planet is Planet Earth! Earth has vegetation that uses CO2 and puts out O2 that humans need. Earth has an atmosphere that holds oxygen. It has a water-condensation cycle so we have bodies of water and rain. It has fresh water we can drink, and good soil so we can grow food. And it is big enough to hold the world's growing population.

Answer 2

Saturn is, it has red rings.