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{{for|the Pokémon|Archeops (Pokémon)}}
{{Infobox Telescope
| caption = The Archeops gondola being launched
| wavelength = 143, 217, 353 and 545 GHz
| angular_resolution = 15 arcminutes
}}
'''Archeops''' was a balloon-borne instrument dedicated to measuring the [[Cosmic microwave background]] (CMB) temperature anisotropies. The study of this radiation is essential to obtain precise information on the evolution of the [[Universe]]: density, [[Hubble constant]], [[age of the Universe]], etc. To achieve this goal, measurements were done with devices cooled down at 100mK temperature placed at the focus of a warm telescope. To avoid atmospheric disturbance the whole apparatus is placed on a gondola below a helium balloon that reaches 40 km altitude.
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