When completed, phase one and two will provide enough electricity for over 650, 000 homes, London Array said.

BBC: RSPB to oppose windfarm plan in Thames estuary

The world's largest operational offshore wind farm is the 175-turbine London Array.

BBC: Wind turbines

The locations and numbers of offshore wind turbines in the London Array wind farm were altered to take account of red-throated divers.

BBC: Jobs or birds: Turning Rio rhetoric into reality

When completed, the London Array will be one of the world's largest offshore wind farms covering an area of 90 sq m (232 sq km) between Margate and Clacton.

BBC: RSPB to oppose windfarm plan in Thames estuary

The Grade I listed glasshouse in south-west London is home to an array of palms and plants.

BBC: Kew Gardens given lottery backing to restore glasshouse

University College London's part in the project has been to design and build an optical corrector for the camera - an array of five massive lenses that sit at the primary focus of the camera.

BBC: Getting the measure of dark energy