Cool news! The first SPIRE helium-3 cooler recycling has been successfully performed today. The SPIRE PI Matt Griffin reports on behalf of the SPIRE consortium that the cooler was recycled manually with an as yet unoptimised procedure. Nevertheless a temperature of 293 mK was reached, making SPIRE - at least temporarily for now - the coldest known object in outer space!
[G. Pilbratt from ESTEC, posted 22 May 2009]
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