Gaia Payload Data Handling Unit on spacecraft
![](https://cdn.sci.esa.int/documents/33580/35361/1567217502130-Gaia_PDHU_FM_on_SC_625.jpg)
Date: 22 May 2013
Satellite: Gaia
Depicts: PDHU on spacecraft
Copyright: Astrium
The Gaia Payload Data Handling Unit (PDHU) is, among other things, the 'hard-disk' of Gaia, responsible for temporary storage of science data received from the telescope before transmission back to Earth. Here the PDHU can be seen integrated on the Gaia spacecraft.
Last Update: 1 September 2019