To scientists' relief and delight, the Philae spacecraft that landed on a comet last fall has woken up and communicated with Earth after seven long months of silence, the European Space Agency announced Sunday. Philae became the first spacecraft to settle on a comet when it touched down on icy 67P/Churyumov-Gerasimenko in November. But the solar-powered probe came down with a bounce and ended up in the shadow of a cliff instead of in direct sunlight. As a result, Philae managed to conduct experiments and send data to Earth for only about 60 hours before its batteries ran out and it was forced to shut down its systems and go silent.
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