French National Centre for Space Studies (CNES) president Jean-Yves Le Gall, left, French President Francois Hollande, center, and former French minister and astronaut Claudie Haignere, right, wear 3D glasses as they visit the Cite des Sciences at La Villette during a broadcast of the Rosetta mission as it orbits around comet 67/P Churyumov-Gersimenko in Paris, Wednesday, Nov. 12, 2014. Hundreds of millions of miles from Earth, a European spacecraft made history Wednesday by successfully landing on the icy, dusty surface of a speeding comet — an audacious first designed to answer big questions about the universe. (AP Photo/Jacques Brinon, Pool)
1/10This OSIRIS wide-angle camera image shows the position of Rosetta’s lander Philae (circled) on Nov. 12, 2014. (Courtesy: European Space Agency, photo released Nov. 13, 2014)
2/10Rosetta’s lander Philae is safely on the surface of Comet 67P/Churyumov-Gerasimenko, as these first two CIVA images confirm. One of the lander’s three feet can be seen in the foreground. The image is a two-image mosaic, Nov. 13, 2014. (Courtesy: European Space Agency, photo released Nov. 13, 2014)
3/10Smiles in the Main Control Room at ESA's Operations Center, as separation of the Philae lander from ESA Rosetta orbiter is confirmed and the Philae lander on its way to becoming the first spacecraft to touch down on a comet, Nov. 12, 2014. (Courtesy: Euro
4/10A handout photo released on November 13, 2014 by the European Space Agency, and taken by the Rosetta Lander Imaging System instrument, shows the surface of comet 67P/Churyumov-Gerasimenko during Philae's descent, from a distance of approximately 40 meters above the surface. (Courtesy: European Space Agency)
5/10Receipt of signal from comet surface just after Philae landed, Nov. 12, 2014. (Courtesy: European Space Agency)
6/10Trajectory of Rosetta’s orbit, focusing on the maneuvers of Nov. 12. (Courtesy: European Space Agency)
7/10Comparing the size of Comet 67P/Churyumov–Gerasimenko with the city of Darmstadt, Germany, home to the European Space Operations Center. (Courtesy: European Space Agency, Google maps)
8/10Artist impression showing Philae separating from Rosetta and descending to the surface of comet 67P/Churyumov-Gerasimenko. (Courtesy: European Space Agency)
9/10This image from Rosetta’s OSIRIS narrow-angle camera is marked to show the location of the first touchdown point of the Philae lander. It is thought that Philae bounced twice before settling on the surface of Comet 67P/Churyumov-Gerasimenko, Nov. 12, 2014. (Courtesy: European Space Agency)
10/10Celebrating scientists in the main control room appear on a video screen at the European Space Agency after the first unmanned spacecraft Philae landed on a comet called 67P/Churyumov-Gerasimenko, in Darmstadt, Germany, Nov. 12, 2014.
