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Date: 25 February 2009 Satellite: Planck Depicts: View of the telescope Location: Cleanroom of S1B building, CSG, Kourou, French Guiana Copyright: ESA/Thales Show in archive: true
The feedhorns of the High Frequency Instrument (HFI) and the Low Frequency instrument (LFI) are seen reflected in the primary mirror of the Planck telescope.