<http://schema.org/alternativeHeadline>
"Even though 95 percent of the sun will be covered by the moon at the eclipse's peak, the sky will not be noticeably darker to the naked eye."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/eclipse-turns-sun-into-ring-of-fire-this-week>