The lander project manager Stephan Ulamec says tremendous science has been collected during Philae’s short time on the surface but battery life is now limited and it is unlikely to last much longer.
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Comet lander’s batteries near exhaustion
Trapped in rough, forbidding terrain with its solar panels draped in shadow, the Philae comet lander raced the clock Friday to carry out high-priority science operations, including an attempt to drill into the surface of the nucleus, before exhausting its on-board batteries and effectively losing consciousness.