How cold is it on Pluto?

Pluto is very cold! The temperature on Pluto ranges from -387 to -369 Fahrenheit (-233 to -223 Celsius) For comparison, the coldest place on Earth, which can reach -126 Fahrenheit, would seem quite warm compared to Pluto. Many astronomers think that the surface of Pluto is covered with frost.


Learn about IRAS, the first infrared telescope launched into Earth's orbit!