Scientists surprised by 'city killer' asteriod that just missed Earth

[Glacios]

'Asteroid 2019' passed about 73,000 kilometers from Earth, roughly one-fifth the distance to the moon

Astronomers in Brazil and the United States separately discovered 2019 OK a couple of days ago, but it's surprise visit was only announced a couple of hours before it passed by. "The lack of warning shows how quickly potentially dangerous asteroids can sneak up on us," Brown wrote.

I hope we're seriously investing in asteroid deflection technology...