To Catch a Comet

00:00:05 320 million miles from earth

00:02:59 The world's press has gathered here

00:05:10 Its signal should create a spike above the background noise.

00:07:22 Comets are, more or less, unaltered

00:10:02 ever put into space, but even those

00:11:51 The world's press is hungry for answers

00:14:07 got to get moving with the operations

00:16:53 when you crumple it, it flies into a million pieces.

00:19:11 But just getting rosetta into a position

00:20:57 caught hold of rosetta and hurled the craft out into space

00:23:44 of this mysterious ball of rock and ice.

00:25:53 The latest pictures show that this explosive activity

00:28:16 is in the early stages of forming a coma.

00:31:23 that have smacked together.

00:33:46 and sticking together, a contact binary, as it's known.

00:35:45 there's structure all over it.

00:38:07 you would fly into outer space.

00:39:59 and it's not a block of ice.

00:42:03 to tension the lander to the ground.

00:44:37 So far, this mission has achieved

00:47:03 If philae lands on a Boulder, it could tip over.

00:49:06 In the end, the team agree on the safest option.

00:51:40 "the one we use for life, why not postulate

00:53:52 How life came to exist on earth.