Rosetta mission manager Patrick Martin told Philae he is confident of making contact with Philae on comet 67P soon . The probe has been silent since it ran out of power in November . Esa scientists in Germany recently failed to make contact . But Mr Martin said they have a '50:50 ' chance of making contact on 13 April . However , they want to find it before the comet leaves the sun in August . After this , the probe will eventually run out of power - this time forever . The team wants to perform as much science as possible before then .
Rosetta mission manager Patrick Martin told MailOnline he is confident of making contact with Philae on comet 67P soon . The probe has been silent since it ran out of power in November . Esa scientists in Germany recently failed to make contact . But Mr Martin said they have a '50:50 ' chance of making contact on 13 April . However , they want to find it before the comet leaves the sun in August . After this , the probe will eventually run out of power - this time forever . The team wants to perform as much science as possible before then .