Scientists Expect ‘Unexpected’ from Largest Ground-based Telescope

The mirror of the Hubble Space Telescope that gave the world stunning pictures of deep space is about 4.5 square meters. Compare that with the primary mirror of the James Webb Space Telescope, which will be 25 square meters — and which is creating big expectations for even higher-quality results when it is deployed in 2018. But both will be dwarfed by the Giant Magellan Telescope, which is under construction in Chile's Atacama Desert. Its mirror array covers about 368 square...

© La Voix de l'Amérique - samedi 7 mai 2016