Spacecraft catches comet after 10-year chase

The European spacecraft Rosetta has become the first ever probe to catch up with and manoeuvre alongside a comet, a landmark stage in a decade-long mission that scientists hope will help unlock some of the secrets of the solar system. Al Jazeera's Nadim Baba reports. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website http://www.aljazeera.com/