<http://schema.org/alternativeHeadline>
"European Space Observatory to commence building European Extremely Large Telescope in Chile, which will take 10 years and over 1 billion dollars to build."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/worlds-largest-telescope-to-be-crown-jewel-of-european-space-legacy>