The Philae Lander sits in a shadow on comet 67P and its battery is drained. How difficult would it be to aim a tracking laser (or mirrored sunlight) from Earth at Philae to top up its battery?

The Philae Lander sits in a shadow on comet 67P and its battery is drained. How difficult would it be to aim a tracking laser (or mirrored sunlight) from Earth at Philae to top up its battery? External link

Tagsphilae lander
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