New NASA mission aims to deflect potentially disastrous asteroids

An asteroid the size of a house passed close to Earth earlier in October. There are about 17,000 known objects that make passes near our planet, but the paths of many more are unknown.

    An asteroid the size of a house passed close to Earth earlier in October. There are about 17,000 known objects that make passes near our planet, but the paths of many more are unknown.

    NASA, the US space agency, has launched a new mission aimed at pushing asteroids away from our planet.

    Al Jazeera's Jake Ward reports from San Francisco, US.


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