<http://schema.org/alternativeHeadline>
"The coincidence of today's dramatic meteor hit in Russia\u00A0and tonight's near-miss by an asteroid, dubbed 2012 DA14, raises an important issue: Humans have no systematic way to scan the skies for threats from outer space."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/54467/scientists-have-no-idea-when-the-next-city-killing-asteroid-is-coming/>