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Planck Instruments Achieve Coldest Outer Space Temperature

On July 3, 2009, Planck's High Frequency Instruments reached an operational temperature of 0.1 K, the coldest recorded in outer space. Equipped with advanced cooling systems, Planck detectors successfully lowered the temperature from 45 K to 0.1 K, showcasing cutting-edge space technology. The spacecraft's design includes "V-groove" panels for thermal isolation and efficient heat dissipation. Planck's Low and High Frequency Instruments (LFI and HFI) operate in six frequency channels between 100 and 857 GHz for sky imaging. Explore more about this remarkable achievement in space exploration.

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Planck Instruments Achieve Coldest Outer Space Temperature

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  1. Planck instruments’ reach coldest temperature in outer space July 3, 2009 – Planck’s High Frequency Instruments reached an operational temperature of 0.1 K, said to be the coldest temperature in outer space. Planck detectors are equipped with three active, cooling systems (the final-stage cooling by a 0.1 K dilution system) working in succession to lower the operational temperature from 45 K to 0.1 K. (Left: Spacecraft’s three “V-groove”-panels for thermally isolating the payload from high temperatures and improve in radiating excess heat. Right: Planck’s Low and High Frequency Instruments (LFI and HFI, respectively) spacecraft used for imaging the sky in in six frequency channels between 100 and 857 GHz.) Source Article- http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=45133 Left Image- http://planck.cf.ac.uk/files/images/09Feb2009-3120_L.jpg_0.jpeg Right Image- http://www.asc-csa.gc.ca/images/planck3.jpg

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