(microwave telescope in space)
Planck is a space observatory of the European Space Agency
designed to observe the cosmic microwave background,
named in honor of physicist Max Planck.
It was launched in 2009, and arrived at
the Earth-Sun L2 Lagrangian point in 2010,
and ceased operation in 2013.
- LFI "Low frequency Instrument": 30GHz, 44GHz, 70GHz (microwave)
- HFI "High Frequency Instrument": 100GHz, 143GHz, 217GHz, 353GHz, 545GHz, 857GHz (microwave-to-far infrared)
This range is useful for finding distant galaxy clusters.
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Centre national d'ètudes spatiales (CNES)
European Space Agency (ESA)
Wilkinson Microwave Anisotropy Probe (WMAP)