<http://schema.org/headline>
"Hubble a 25 ans: \u00E0 quoi ressemblera le t\u00E9lescope spatial Webb qui lui succ\u00E9dera en 2018 [INFOGRAPHIE]"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.fr/2015/04/24/hubble-a-25-ans-a-quoi-ressemblera-le-telescope-spatial-webb-qu/>