Which is NOT one of the criteria to be a planet?
Correct answer: It must have at least one moon

richD1973
Surely it must orbit ‘a star’ as there are many planets outside our solar system.

Player Sherry
smartpastor56, Neptune has 14 moons Mercury and Venus have none

Nearlyfit
I really should learn to read the question properly!!

smartpastor56
well duh, I'm pretty sure Neptune doesn't have a moon and it's definitely a planet.

Player #4410870
Nearlyfit, me too

Player #128057
that's confusing as the answer does not match the definition. Duh!!