Philae is Asleep Now... With its batteries depleted and not enough sunlight available to recharge, Philae has fallen into idle mode -- a possibly long silence. In this mode, all instruments and most systems on board are shut down. Prior to falling silent, the lander was able to transmit all science data gathered during the First Science Sequence, says DLRs Stephan Ulamec, Lander manager, who was in the main control room at ESOC tonight. This machine performed magnificently under tough conditions, and we can be fully proud of the incredible scientific success Philae has delivered. Contact was lost at 00:36 UTC / 01:36 CET, not long before the scheduled communication loss that would have happened anyway as Rosetta orbited below the horizon. From now on, no contact would be possible unless sufficient sunlight falls on the solar panels to generate enough power to wake it up. The possibility that this may happen was boosted this evening when mission controllers sent commands to rotate the landers main body, to which the solar panels are fixed. This may have exposed more panel area to sunlight...More at: blogs.esa.int/rosetta/2014/11/15/our-landers-asleep/
Posted on: Sat, 15 Nov 2014 01:39:44 +0000
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