article_snippet: It took off from French Guiana at 9.46pm GMT on Friday 27 March (pictured), carrying two satellites that will expand Europe’s Galileo system .
article_snippet: It took off from French Guiana at 9.46pm GMT on Friday 27 March, carrying two satellites that will expand Europe’s Galileo system - a civilian-run analogue to the US-run Global Positioning System (GPS).
article_snippet: Other launches include the radar imaging satellite Sentinel-1A, which is tracking Earth’s environmental changes, and 1999’s XMM-Newton X-ray observatory.