... Observing . ... Rosetta closes in on Earth . ESA's comet chaser, Rosetta, is on its way to its second close encounter with Earth on November 13. ... This is an artist's rendition of Rosetta's closest approach to Earth during its second swing-by of our planet on November 13 this year. ... The increased energy from this Earth swing-by will help Rosetta cross the asteroid belt for a second time, observe Lutetia, its second target asteroid, and finally rendezvous with comet 67/P Churyumov-Gerasimenko. ...