For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.
Fuente : http://www.eurekalert.org/pub_releases/2013-07/cxc...
Fuente : http://www.eurekalert.org/pub_releases/2013-07/cxc...