Video: Environmental satellite ready for blast off

Sun 15 Oct 2017 11:30 AM GST
All systems are go for the launch of the European Space Agency's latest satellite, Sentinel - 5P.

An instrument on board, called Tropomi,  will measure pollution around the globe once a day, as it flies on a polar orbit mapping a multitude of trace gases. It is designed to answer questions about air quality and the ozone layer.

(Source: euronews (in English) YouTube channel)