It's actually a clever backronym for "Analysis of Resolved Remnants of Accreted galaxies as a Key Instrument for Halo Surveys" but yeah they defintely chose those words to match the Dune reference.
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Dark matter-hunting satellite ARRAKIHS to launch in 2030. Here's how it will work | Spyke
I reread the satellite name several times to make sure it wasn’t Arrakis
The name is directly based on that though.
It's actually a clever backronym for "Analysis of Resolved Remnants of Accreted galaxies as a Key Instrument for Halo Surveys" but yeah they defintely chose those words to match the Dune reference.