Galileo satellites rocket into space
November 17 2016 07:14 PM
Galileo
An Ariane 5 space rocket with a payload of four Galileo satellites lifting off from ESA's European Spaceport in Kourou, French Guiana on Thursday.

AFP/Paris

Four Galileo satellites were sent into orbit on the Ariane 5 rocket from French Guiana on Thursday and will soon be detectable by European smartphones.
The Galileo satellites will boost Europe's sat-nav capabilities, reducing their reliance on America's Global Positioning System (GPS).
Liftoff was at 10:06 am from Kourou in the French oversees territory in South America.
It was the first time the Ariane 5 rocket, which is made under the authority of the European Space Agency (ESA), was used to launch Galileo satellites into space.
It can carry four such satellites compared to the two normally carried by Russian Soyuz rockets.
"Four satellites in one go, that's a first for us," said ESA general manager Jan Woerner just before liftoff.
The satellites could be operational before the end of the year, which is good news for smartphone users in Europe.
There will be 18 Galileo satellites in operation initially, although the total number will be brought up to 30 by 2020.
"The idea is to have positioning accurate to one metre and dating accurate to several billionths of a second," Jean-Yves Le Gall, president of the French space agency CNES, said.
For this launch, the Ariane 5 rocket had to be specially adapted.
Unlike telecommunications satellites, which are normally launched by Ariane 5 and are equipped with their own propulsion mechanisms, the Galileo geolocation satellites need to be carried practically the whole way to their final destination at almost 23,000km.
"It's a more complicated mission which lasts almost four hours," Stephane Israel, managing director of Arianespace, the makers of Ariane 5, told AFP.



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