What are the coldest things in the universe? No, they aren’t in Antarctica or at the top of Mount Everest but somewhere in outer space! Did you know that the lowest temperature recorded on Mars is -171°C (-275°F)? It’s super cold, but still a little warmer than we imagine thanks to Mars’ thin atmosphere. But sometimes it’s warmer on Mars than in some parts of Earth! And the highest temperature recorded on Mars is 30°C (86°F).

But hey, that's not even close to the coldest places in the universe! Have you ever heard about Sedna? It's a dwarf planet discovered in 2003. It’s so far from the Sun that it takes 10,500 Earth years to complete an orbit. Its surface temperature never rises above -240°C (-400°F)! But this also isn't the minimum possible temperature.

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