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  • From atoms to planets, the longest-running Space Station experiment

From atoms to planets, the longest-running Space Station experiment

Written by  Friday, 02 July 2021 08:56
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PK-4 parts

Planet conceptions

Plasma Kristall-4
Plasma Kristall-4

By changing the parameters in PK-4, such as adjusting voltage or using larger dust particles, the atom doppelgangers can simulate different interactions. Complex phenomena such as phase transitions, for example from gas to liquid, microscopic motions, the onset of turbulence and shear forces are well known in physics, but not fully understood at the atomic level.

Using PK-4, researchers across the world can follow how an object melts, how waves spread in fluids and how currents change at the atomic level.

Around 100 papers have been published based on the Plasma Kristall experiments and the knowledge gained is helping understand how planets form too. At its origin our planet Earth was probably two dust particles that met in space and grew and grew into our world. PK-4 can model these origin moments as they are during the conception of planets.


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