'Hello World!' Rosetta wakes up and says hello from deep space

After almost three years in hibernation, the European comet-chasing spacecraft Rosetta has woken up and sent its first signal back to Earth.

Associated article


Can the president veto a law?

Professor David Kenny of the School of Law in Trinity College Dublin outlines some of the key powers of the presidency. Video: Dan Dennison


Can anyone run for president?

Professor David Kenny of the School of Law in Trinity College Dublin outlines some of the key powers of the presidency. Video: Dan Dennison


Is the president apolitical?

Professor David Kenny of the School of Law in Trinity College Dublin outlines some of the key powers of the presidency. Video: Dan Dennison


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