NEW : Scientists give first 'go-ahead ' for an attempted landing on Comet 67P . A pyrotechnic charge will fire and push the lander away at just the right speed to set Philae on the right course , O'Rourke said . Comment: It is equipped with nine experiments including a drill to sample the surface and test in an on-board oven . The comet 's gravity is so weak that engineers have come up with ingenious solutions to keep Philae in place .
NEW : Scientists give first 'go-ahead ' for an attempted landing on Comet 67P . Comment: It is equipped with nine experiments including a drill to sample the surface and test in an on-board oven . The comet 's gravity is so weak that engineers have come up with ingenious solutions to keep Philae in place .