The Rosetta mission to land a probe on Comet 67P is past the point of no return, the European Space Agency (ESA) announced on Wednesday. "There is no going back now," the agency said after the spacecraft's lander was released for its trip to the surface. If it succeeds it will be the first time a spacecraft has landed on a comet. The Philae lander separated from the mother ship Rosetta around 3:30 a.m. ET to begin its 7-hour descent. Philae, which has spent 10 years fixed to the side of Rosetta during the journey across the solar system, cannot be steered. Once it was released, it was on its own. Read more http://www.cnn.com/2014/11/12/world/comet-landing-countdown/
