The team in charge of the Rosetta mission has made history by completing the first landing of a robotic spacecraft on a comet.
Here are the key facts and figures behind the touchdown:
- Rosetta mission cost: close to £1.1 billion, including the Philae lander's cost of £173 million
- Mission length so far: 10 years
- Philae distance from home: 316 million miles
- Time taken for news to reach Earth: 28 minutes, 20 seconds
- Philae weight: 100 kilograms
- Comet 67P weight: 10 billion tonnes
- Number of names suggested for landing site: 8,000 (the name chosen was Agilkia)
- Number of countries behind the comet landing: 14
- Announcement retweets: 28,000 in first hour
Thsee incredible images show the moment the probe dropped from its satellite and first landed on Comet 67P five days ago.
Scientists racing against time to keep the Philae comet lander operating are debating whether to try 'hopping' the probe to a new location.
After the first man-made craft landed on a moving comet we look at the pictures sent back from the daring descent to the historic landing.