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Predicted temperatures for Pioneer 10 at 25 AU

Predicted temperatures for Pioneer 10 at 25 AU
Predicted temperatures for Pioneer 10 at 25 AU The thermal model developed by Slava Turyshev and colleagues predicted a range of temperatures for the surface of the Pioneer 10 equipment and instrument compartments, from a low of -2.3 degrees Celsius (28 degrees Fahrenheit) to a high of 8.6 degrees Celsius (47 degrees Fahrenheit). The compartment is insulated from space by a blanket of multi-layer insulation (MLI), whose surface temperatures are much colder, from -161.8 to -119.1 degrees Celsius (-259.2 to -182.4 degrees Fahrenheit). These temperatures only hold for when Pioneer 10 was 25 Astronomical Units from the Sun, in July of 1981. NASA / JPL / Slava Turyshev

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