Location
|
Coldest temperature
|
Date measured
|
Triton
|
38K (–235° C, –391° F)
|
1989
(Voyager 2)
|
Pluto
|
37 K (–236° C, –393° F)
|
2005-2010
(Submillimeter Array)
|
Eris
|
<36 K (–237° C, –395° F)
|
2011
(Institute for Radio Astronomy
at Millimeter wavelengths)
|
Moon (craters
near pole)
|
25 K (–248° C, –415° F)
|
2010
(Lunar Reconnaissance Orbiter)
|
Interstellar
space
|
2.73 K (–270° C, –455° F)
|
2000
(BOOMERanG)
|
Key: K = Kelvin; C = Celsius; F = Fahrenheit
