Portal:Radiation astronomy/Pictures/31
![](http://upload.wikimedia.org/wikipedia/commons/3/37/Proportional_Counter_Array_RXTE.jpg)
This is an image of the instrument called the Proportional Counter Array on the Rossi X-ray Timing Explorer (RXTE) satellite.
This is an image of the instrument called the Proportional Counter Array on the Rossi X-ray Timing Explorer (RXTE) satellite.