This picture released by the European Space Agency ESA on Wednesday was taken by Rosetta's lander Philae shortly after its separation and captures one of Rosetta's 45-foot-long solar wings.

This photo of the Philae lander released by the European Space Agency ESA on Wednesday was taken by Rosetta's OSIRIS system shortly after its separation from the mother ship.

Rosetta's Philae lander took this photo from a distance of about 2 miles from the 67P/Churyumov-Gerasimenko comet as the lander made its descent to the comet's surface on Wednesday.

Andrea Accomazzo, right, spacecraft operations manager of the European Space Operations Centre celebrates the successful landing of the Philae lander on comet 67P/ Churyumov-Gerasimenko, at the European Space Agency's headquarters in Darmstadt , Germany, on Wednesday.