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 More about...

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| | Herschel (http://www.esa.int/SPECIALS/Herschel/index.html) |
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| | Herschel fact sheet (http://www.esa.int/esaSC/SEMA539YFDD_index_0.html) |
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| | Planck overview (http://www.esa.int/esaSC/120398_index_0_m.html) |
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| | Planck in a nutshell (http://www.esa.int/esaSC/SEMQBE1A6BD_index_0.html) |
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 Related articles

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| | Herschel acoustic and vibration tests (http://www.esa.int/esaSC/SEMQP9SHKHF_index_0.html) |
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| | Herschel spacecraft assembly complete (http://www.esa.int/esaSC/SEM0Z0QJCFF_index_0.html) |
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| | Planck update in pictures (http://www.esa.int/esaSC/SEM6PB6EJLF_index_0.html) |
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| | Planning for Planck’s science (http://www.esa.int/esaSC/SEMYLKXXV2F_index_0.html) |
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 Read more

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| | L2, the second Lagrangian Point (http://www.esa.int/esaSC/SEMO4QS1VED_index_0.html) |
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| | Observations: Seeing in infrared wavelengths (http://www.esa.int/esaSC/SEMS72T1VED_index_0.html) |
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| | Observations: Seeing in microwave wavelengths (http://www.esa.int/esaSC/SEM4B2T1VED_index_0.html) |
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| | Why infrared astronomy is a hot topic (http://www.esa.int/esaSC/SEMX9PZO4HD_index_0.html) |
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| | Cosmic Microwave Background (CMB) radiation (http://www.esa.int/esaSC/SEMB3AR1VED_index_0.html) |
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 In depth

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| | Herschel test campaign journal (http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=31528 &farchive_objecttypeid=31 &farchive_objectid=30928) |
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| | Herschel in depth (http://sci.esa.int/science-e/www/area/index.cfm?fareaid=16) |
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| | Planck test campaign journal (http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=31530 &farchive_objecttypeid=31 &farchive_objectid=30928) |
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| | Planck in depth (http://sci.esa.int/science-e/www/area/index.cfm?fareaid=17) |
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