Chile hilltop razed for world's largest telescope

SANTIAGO, Chile – Construction on the world's largest optical telescope began with a bang Thursday, as workers demolished a hilltop in Chile's Atacama Desert.

The European Extremely Large Telescope (E-ELT) telescope, being built by the European Southern Observatory, aims to give astronomers new insight into the origins of the universe and help search for potentially habitable planets elsewhere in the galaxy. Currently, "we have no proof of the existence of an Earth-like planet at the same distance from the sun in our galactic neighborhood," said astronomer Fernando Cameron, ESO's representative in Chile. "That's not because they don't exist but because we didn't yet have the tools to detect them. "With the E-ELT, we can." Construction will take an estimated 10 years, and the telescope will be put into service two years later. The first step, estimated at $1.4 billion, involves razing around 5,000 cubic meters (177,000 cubic feet) of rock off the top of Mount Armazones. The newly flat surface will support the foundation of the telescope, with an "eye" -- a main mirror -- of 39 meters (128 feet) in diameter.

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