Asteroid 2017 AG13 zoomed terrifyingly close to Earth and we didn't see it coming The Sun He said the asteroid was roughly the same size as a meteor which exploded in the sky above Chelyabinsk, Russia, in 2013. This blast shattered ... Huge meteors spotted hurtling towards Earth by Russian observers Express.co.uk The fireballs from above are thought to be part of the annual Quadrantids meteor