Out-of-control 1,120mph debris from Nasa asteroid impact headed for Earth as experts share when first chunks will strike

THE remains of a deep-space asteroid could soon be on a collision course with Earth and Mars.

Nasa has been testing its ability to redirect the course of objects floating near our home planet.

NASA/JHUAPLA Nasa spacecraft collided with Dimorphos, a moonlet orbiting the asteroid Didymous, nearly two years ago – and debris is set to head towards Earth[/caption]

The agency selected Dimorphos, a small moon orbiting a larger asteroid, Didymos, as its target nearly two years ago.