I'm guessing by coldest you mean worst...
At the moment it's the Cleveland Cavaliers, they're currently the bottom of the league. Not just because of LeBron James moving though. It gets overlooked that they lost Zydrunas Ilgauskas and Delonte West this season too, along with a few other good players whose names I can't think of right now.
No, Mars is actually the fourth coldest planet in our solar system. The coldest planet is Neptune, followed by Uranus and then Saturn.
Pluto is the coldest planet
Antarctica is the coldest continent.
coldest
The coldest thing is ice. The coldest country is the south pole.
Russia is the coldest country in the world. The coldest place in the world is Antarctica.
Alaska
because it is in the arctic, which is the coldest place .
The coldest is 47 K.
WarmestHottest
Today is the coldest day of the year.
Antarctica is the most coldest country in the world