based on the freezing and boiling properties of water on that same planet.
OTWO, good point. so, use Kelvin then, based on absolute Zero, H2O comprises some of the most abundant elements in the Universe, acts in the same way everywhere in the universe, a true standard of truth. Aliens in Andromeda would agree.
try the hot basin, cold basin experiment. opinions, impressions do not change the truth, the facts.