What is Comet 67P? In 60 seconds
The European Space Agency has made history by landing a probe on a comet 500 million km from Earth.
Robot probe Philae landed on Comet 67P/Churyumov-Gerasimenko at about on Tuesday 12 November.
Here is a quick look at the comet - and what it could teach us - in 60 seconds.
Video produced by Michael Hirst, video footage courtesy of European Space Agency