The British-built Aeolus satellite has begun firing its laser down on Earth to map the planet's winds. It is a big moment for the European Space Agency mission, the technology for which took 16 ...
They say there is no gain without pain, but when the European Space Agency (Esa) set out in 2002 to develop its Aeolus satellite, no-one could have imagined the grief the project would bring.
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