Hugh Pickens DOT Com writes: Jason Major reports that after nearly a decade of soaring through the inner solar system, flying past Mars and Earth several times and even briefly visiting a couple of asteroids for a gravity assist, the European Space Agency’s comet-chasing satellite, Rosetta, is due to 'wake up' on January 20 after 957 days of hibernation to prepare for its upcoming and highly-anticipated rendezvous with comet 67P/Churyumov-Gerasimenko in August. The spacecraft was designed to be put in hibernation for the coldest part of the journey that took it close to the orbit of Jupiter because even with massive solar panels the size of a basketball court, Rosetta would not have enough power to complete its mission without this energy-saving strategy. Once Rosetta enters orbit around the comet — the first time a spacecraft has ever done so — it will map its surface and, three months later in November, deploy the 220-lb (100-kg) Philae lander that will intimately investigate the surface of the nucleus using a suite of advanced science instruments. "It's the first time we've made a rendezvous with a comet — that's never been done before — and it's going to be the first time we've escorted a comet past its closest approach to the Sun," says ESA project scientist Matt Taylor. "The cherry on the cake is that we also deploy the lander to probe the surface of the comet." ESA has invited the public to mark this important milestone in the Rosetta mission by sharing a video clip shouting “Wake up, Rosetta!” on the Rosetta Mission's Facebook page. Uploads so far include "Sleeping Satellite," the debut single released by British singer-songwriter Tasmin Archer in 1992, that rose to number one in the UK and was also an international hit.