Blink and you miss it

Asteroid 2017 AG13, about 15 to 34 metres long, has slipped by Earth at a speed of 16 kilometres a second, with barely anyone noticing.

Mind you, it was almost 200,000 kilometres away from us, so it can hardly be called a near-brush with death.

There will be around 38 more similar-sized asteroids passing Earth in January alone, according to NASA’s Near Earth Object Program. Fortunately the White House published in December last year its National Near-Earth Object Preparedness Strategy.

We’ve not had time to read all 25 pages but a fair summary seems to be – ‘run!’

Picture source: Munashe Gumbonzvanda