The first stage of the switch-on of one of the world's most powerful stargazing systems has got under way.
Seven radio telescopes around the UK have been linked with optical fibres, allowing scientists to probe deeper into the Universe than ever before.
The iconic Lovell telescope in Jodrell Bank at Cheshire is central to the new e-Merlin project.
Astrophysicist Tim O'Brien shows BBC science reporter Rebecca Morelle inside the giant dish.
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