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Space - Rosetta spacecraft wakes up after three years and sends message to Earth

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Offline Sara

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After a ten-year journey, Europe's Rosetta spacecraft has finally ended its three-year hibernation and sent a signal back to Earth. It returned a signal sent out by the European Space Agency (ESA). After the successful waking-up, ESA tweeted "Hello, world!", mimicking the signal sent back from deep space. The ESA's webcast showed scientists cheering and hugging each other as the signal came in. The spacecraft has been hibernating for most of the past three years to save power. It is due to reach a comet called 67P in August, but unlike previous comet probes, Rosetta will not just sail by. The spacecraft is designed to put itself into orbit around 67P for more than a year of close-up studies. Comets are believed to be the pristine leftover remains from the formation of the solar system some 4.6 billion years ago. Scientists hope the mission will provide more clues about how the solar system came into existence.



« Last Edit: May 21, 2017, 10:36:59 AM by Sara »
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