Moon is coldest known place in the solar system


Poor Pluto. First it gets kicked out of the planet club, now it's not even the coldest place in the solar system. Dark craters near the moon's south pole have snatched that title – which is good news for the prospects of finding water ice on Earth's companion.
The craters' towering rims block the sun from reaching their centres, like the long shadows cast by tall buildings at dusk. In this permanent darkness, they stay at a constant -240 °Celsius – more than 30 °C above absolute zero and 10 °C cooler than Pluto, which was measured at -230 °C in 2006

Full article by MacGregor Campbell on New Scientist

 


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