IRIS Catches Thruster Jets in Action
![](https://cdn.sci.esa.int/documents/33839/35420/1567219615857-i_screenimage_13181.jpg)
Date: 10 December 2000
Satellite: XMM
Depicts: Plume of expelled gas, 11 December 15:22 CET
Copyright: ESA
During the firing, the thruster nozzles expel gas at high velocity which develops as a cloud, also called a plume. This is clearly visible in two lobes, of different sizes, one upwards and one slightly to the right.
Last Update: 1 September 2019