The site was first used for radio astronomy in 1945 by Sir Bernard Lovell and his team and since then, its astronomers have tracked Sputnik and discovered quasars.Prof Anderson said her team have been preparing the case for years, "so it's absolutely fantastic to reach this milestone".Director of the Centre for Astrophysics, Prof Michael Garrett, said: "Jodrell Bank has played a leading role in radio astronomy for over seventy years, work which is reflected in the landscape of the site."