Question Details
Quick: Will Rosetta send its wakeup call?
kruijs in
Science
» Space
Settled on 01/20/2014 21:43 Settled by
kruijsA signal confirming its alert status was received by controllers in Darmstadt, Germany, at 18:16 GMT.
Rosetta has spent the past 31 months in hibernation to conserve power as it arced beyond the orbit of Jupiter on a path that should take it to Comet 67P/Churyumov-Gerasimenko in August.
http://www.bbc.co.uk/news/science-environment-25818435
Predictions
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Yes: Before 17:30
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Yes, 17:30 to 17:59
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Yes, 18:00 to 18:29
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Yes on Monday, but not before 18:30
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Not on Mondey, or never...
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Background
Scientists at the European Space Agency are expecting an important call.
Their comet-chasing probe Rosetta is due to wake from an almost three-year hibernation at 11 a.m. Monday (1000 GMT; 5 a.m. EST) and phone home to say all is well.
Because of Rosetta’s vast distance – just over 807 million kilometres from Earth – it will take 45 minutes for the signal to reach the ground stations. The first opportunity for receiving a signal on Earth is expected between 17:30 GMT and 18:30 GMT.
http://hosted.ap.org/dynamic/stories/E/EU_EUROPE_COMET_CHASER?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT
http://www.esa.int/Our_Activities/Space_Science/Rosetta/The_most_important_alarm_clock_in_the_Solar_System
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