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Science & Exploration

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Herschel separates from upper stage

Ariane 5 fairing ejection

Herschel and Planck launcher fairing opens

Trio of galaxies mixes it up

Wide-field view of NGC 7173

The Planck telescope up close

Herschel reflected in Planck mirror

Telescope mirrors cleaned

Herschel telescope final pre-flight inspection in ultraviolet light

Herschel’s primary mirror is cleaned using dry ice.

Herschel arrives in Kourou

Spacecraft inspection

Planck telescope

Planck in Kourou

Planck qualification model

Planck will chart the sharpest map of the CMB in its range of wavelengths

Simulation of the CMB as Planck would see it

Planck scanning the sky

Herschel cryostat cool-down setup

Herschel spacecraft

Planck spacecraft during testing

Planck’s cooling system - cut view

Planck’s cooling system (at 1 degree Kelvin)

Planck’s cooling system (at 4 degrees Kelvin)

Planck’s cooling system (at 20 degrees Kelvin)

Artist impression of the Herschel spacecraft

Artist’s poster of the Herschel spacecraft

Herschel’s main spacecraft components

Herschel’s main spacecraft components

Artist’s impression of Herschel’s SPIRE instrument (without annotations)

Artist’s impression of Herschel’s PACS instrument (without annotations)

HIFI

Herschel vibration tests

Herschel vibration tests

Herschel vibration tests

Herschel telescope mirror

Herschel solar array mounting

Custom-built radiator for Herschel testing

Herschel is lowered into the LSS

Herschel is moved to the Large Space Simulator

Herschel spacecraft during distance measurements between the primary and secondary mirrors

Distance measurements between Herschel primary and secondary mirrors

Planck qualification model

Planck enters test chamber at CSL

Mating of Planck’s service and payload modules

Mating of Planck’s service and payload modules

Mating of Planck’s service and payload modules

Planck scanning the sky

Planck scanning the sky

Planck’s cooling system (at 20 degrees Kelvin), coloured

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