Onsala Twin Telescopes ready for the world
(PHYSorg.com Space & Earth)

Two new radio telescopes have been built at Onsala Space Observatory on Sweden`s west coast, and on 18 May 2017 they will be inaugurated. The Onsala Twin Telescopes are part of an international network of radio telescopes that use astronomical techniques - and distant black holes - to make high-precision measurements of the Earth and how it moves.